1109517563064 has 32 divisors (see below), whose sum is σ = 2776162717440. Its totient is φ = 369523346400.

The previous prime is 1109517563039. The next prime is 1109517563069. The reversal of 1109517563064 is 4603657159011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109517563069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19711392 + ... + 19767599.

It is an arithmetic number, because the mean of its divisors is an integer number (86755084920).

Almost surely, 2^{1109517563064} is an apocalyptic number.

It is an amenable number.

1109517563064 is an abundant number, since it is smaller than the sum of its proper divisors (1666645154376).

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

1109517563064 is a wasteful number, since it uses less digits than its factorization.

1109517563064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39480171 (or 39480167 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 1109517563064 in words is "one trillion, one hundred nine billion, five hundred seventeen million, five hundred sixty-three thousand, sixty-four".