1108794765645 has 36 divisors (see below), whose sum is σ = 2235692307420. Its totient is φ = 506877606144.

The previous prime is 1108794765641. The next prime is 1108794765649. The reversal of 1108794765645 is 5465674978011.

1108794765645 is a `hidden beast` number, since 1 + 1 + 0 + 8 + 79 + 476 + 56 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (1108794765641) and next prime (1108794765649).

It can be written as a sum of positive squares in 2 ways, for example, as 825375884004 + 283418881641 = 908502^2 + 532371^2 .

It is not a de Polignac number, because 1108794765645 - 2² = 1108794765641 is a prime.

It is a super-3 number, since 3×1108794765645³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108794765641) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 251425180 + ... + 251429589.

It is an arithmetic number, because the mean of its divisors is an integer number (62102564095).

Almost surely, 2^{1108794765645} is an apocalyptic number.

1108794765645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1108794765645 is an abundant number, since it is smaller than the sum of its proper divisors (1126897541775).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1108794765645 is a wasteful number, since it uses less digits than its factorization.

1108794765645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502854794 (or 502854784 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 1108794765645 in words is "one trillion, one hundred eight billion, seven hundred ninety-four million, seven hundred sixty-five thousand, six hundred forty-five".