111228805492 has 24 divisors (see below), whose sum is σ = 222641073536. Its totient is φ = 47630174688.

The previous prime is 111228805489. The next prime is 111228805511. The reversal of 111228805492 is 294508822111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1603488 + ... + 1671415.

Almost surely, 2^111228805492 is an apocalyptic number.

It is an amenable number.

111228805492 is an abundant number, since it is smaller than the sum of its proper divisors (111412268044).

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

111228805492 is a wasteful number, since it uses less digits than its factorization.

111228805492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276127 (or 3276125 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The spelling of 111228805492 in words is "one hundred eleven billion, two hundred twenty-eight million, eight hundred five thousand, four hundred ninety-two".