111545345053 has 16 divisors (see below), whose sum is σ = 116683839360. Its totient is φ = 106431266304.

The previous prime is 111545345029. The next prime is 111545345069. The reversal of 111545345053 is 350543545111.

It is a cyclic number.

It is not a de Polignac number, because 111545345053 - 2³³ = 102955410461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111045345053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17554725 + ... + 17561077.

It is an arithmetic number, because the mean of its divisors is an integer number (7292739960).

Almost surely, 2^111545345053 is an apocalyptic number.

It is an amenable number.

111545345053 is a deficient number, since it is larger than the sum of its proper divisors (5138494307).

111545345053 is a wasteful number, since it uses less digits than its factorization.

111545345053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8148.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 111545345053 in words is "one hundred eleven billion, five hundred forty-five million, three hundred forty-five thousand, fifty-three".