1126745107245 has 24 divisors (see below), whose sum is σ = 1956907645056. Its totient is φ = 599736018528.

The previous prime is 1126745107127. The next prime is 1126745107247. The reversal of 1126745107245 is 5427015476211.

1126745107245 is a `hidden beast` number, since 1 + 1 + 2 + 67 + 4 + 510 + 72 + 4 + 5 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1126745107245 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1126745107245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126745107247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24866809 + ... + 24912078.

It is an arithmetic number, because the mean of its divisors is an integer number (81537818544).

Almost surely, 2^{1126745107245} is an apocalyptic number.

1126745107245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1126745107245 is a deficient number, since it is larger than the sum of its proper divisors (830162537811).

1126745107245 is a wasteful number, since it uses less digits than its factorization.

1126745107245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49779401 (or 49779398 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 1126745107245 in words is "one trillion, one hundred twenty-six billion, seven hundred forty-five million, one hundred seven thousand, two hundred forty-five".