111456256442455 has 32 divisors (see below), whose sum is σ = 137742407193600. Its totient is φ = 86540240072832.

The previous prime is 111456256442429. The next prime is 111456256442483. The reversal of 111456256442455 is 554244652654111.

It is not a de Polignac number, because 111456256442455 - 2⁵ = 111456256442423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111456256442396 and 111456256442405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575140437 + ... + 575334193.

It is an arithmetic number, because the mean of its divisors is an integer number (4304450224800).

Almost surely, 2^{111456256442455} is an apocalyptic number.

111456256442455 is a deficient number, since it is larger than the sum of its proper divisors (26286150751145).

111456256442455 is a wasteful number, since it uses less digits than its factorization.

111456256442455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218583.

The product of its digits is 23040000, while the sum is 55.

The spelling of 111456256442455 in words is "one hundred eleven trillion, four hundred fifty-six billion, two hundred fifty-six million, four hundred forty-two thousand, four hundred fifty-five".