111645551034 has 24 divisors (see below), whose sum is σ = 241947162912. Its totient is φ = 37207726920.

The previous prime is 111645550999. The next prime is 111645551047. The reversal of 111645551034 is 430155546111.

111645551034 is a `hidden beast` number, since 1 + 1 + 1 + 64 + 55 + 510 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 111645551034.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528694 + ... + 709089.

It is an arithmetic number, because the mean of its divisors is an integer number (10081131788).

Almost surely, 2^111645551034 is an apocalyptic number.

111645551034 is an abundant number, since it is smaller than the sum of its proper divisors (130301611878).

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

111645551034 is a wasteful number, since it uses less digits than its factorization.

111645551034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242802 (or 1242799 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 111645551034 in words is "one hundred eleven billion, six hundred forty-five million, five hundred fifty-one thousand, thirty-four".