111155883256 has 64 divisors (see below), whose sum is σ = 240909072480. Its totient is φ = 47519662080.

The previous prime is 111155883253. The next prime is 111155883287. The reversal of 111155883256 is 652388551111.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111155883253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2148120 + ... + 2199256.

Almost surely, 2^111155883256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111155883256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120454536240).

111155883256 is an abundant number, since it is smaller than the sum of its proper divisors (129753189224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111155883256 is a wasteful number, since it uses less digits than its factorization.

111155883256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52624 (or 52620 counting only the distinct ones).

The product of its digits is 288000, while the sum is 46.

The spelling of 111155883256 in words is "one hundred eleven billion, one hundred fifty-five million, eight hundred eighty-three thousand, two hundred fifty-six".