111555465655 has 16 divisors (see below), whose sum is σ = 146628688320. Its totient is φ = 81098332672.

The previous prime is 111555465647. The next prime is 111555465677. The reversal of 111555465655 is 556564555111.

It is a cyclic number.

It is not a de Polignac number, because 111555465655 - 2³ = 111555465647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111555465599 and 111555465608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22625419 + ... + 22630348.

It is an arithmetic number, because the mean of its divisors is an integer number (9164293020).

Almost surely, 2^111555465655 is an apocalyptic number.

111555465655 is a deficient number, since it is larger than the sum of its proper divisors (35073222665).

111555465655 is a wasteful number, since it uses less digits than its factorization.

111555465655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45255818.

The product of its digits is 2250000, while the sum is 49.

The spelling of 111555465655 in words is "one hundred eleven billion, five hundred fifty-five million, four hundred sixty-five thousand, six hundred fifty-five".