111550070655 has 12 divisors (see below), whose sum is σ = 193353455880. Its totient is φ = 59493370992.

The previous prime is 111550070647. The next prime is 111550070689. The reversal of 111550070655 is 556070055111.

It is a happy number.

111550070655 is a `hidden beast` number, since 11 + 15 + 500 + 70 + 65 + 5 = 666.

It is not a de Polignac number, because 111550070655 - 2³ = 111550070647 is a prime.

It is a congruent number.

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, 1239445185 + ... + 1239445274.

It is an arithmetic number, because the mean of its divisors is an integer number (16112787990).

Almost surely, 2^111550070655 is an apocalyptic number.

111550070655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111550070655 is a deficient number, since it is larger than the sum of its proper divisors (81803385225).

111550070655 is a wasteful number, since it uses less digits than its factorization.

111550070655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478890470 (or 2478890467 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 36.

The spelling of 111550070655 in words is "one hundred eleven billion, five hundred fifty million, seventy thousand, six hundred fifty-five".