111641957564 has 12 divisors (see below), whose sum is σ = 196911800064. Its totient is φ = 55381443264.

The previous prime is 111641957549. The next prime is 111641957569. The reversal of 111641957564 is 465759146111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111641957569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109883309 + ... + 109884324.

It is an arithmetic number, because the mean of its divisors is an integer number (16409316672).

Almost surely, 2^111641957564 is an apocalyptic number.

It is an amenable number.

111641957564 is a deficient number, since it is larger than the sum of its proper divisors (85269842500).

111641957564 is a wasteful number, since it uses less digits than its factorization.

111641957564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219767764 (or 219767762 counting only the distinct ones).

The product of its digits is 907200, while the sum is 50.

The spelling of 111641957564 in words is "one hundred eleven billion, six hundred forty-one million, nine hundred fifty-seven thousand, five hundred sixty-four".