111055665537 has 6 divisors (see below), whose sum is σ = 160413739122. Its totient is φ = 74037110352.

The previous prime is 111055665509. The next prime is 111055665557. The reversal of 111055665537 is 735566550111.

111055665537 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 5 + 56 + 65 + 537 = 666.

It can be written as a sum of positive squares in only one way, i.e., 87796060416 + 23259605121 = 296304^2 + 152511^2 .

It is not a de Polignac number, because 111055665537 - 2¹² = 111055661441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111055665492 and 111055665501.

It is not an unprimeable number, because it can be changed into a prime (111055665557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6169759188 + ... + 6169759205.

It is an arithmetic number, because the mean of its divisors is an integer number (26735623187).

Almost surely, 2^111055665537 is an apocalyptic number.

It is an amenable number.

111055665537 is a deficient number, since it is larger than the sum of its proper divisors (49358073585).

111055665537 is a wasteful number, since it uses less digits than its factorization.

111055665537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12339518399 (or 12339518396 counting only the distinct ones).

The product of its (nonzero) digits is 472500, while the sum is 45.

The spelling of 111055665537 in words is "one hundred eleven billion, fifty-five million, six hundred sixty-five thousand, five hundred thirty-seven".