111515553423112 has 32 divisors (see below), whose sum is σ = 229665899505600. Its totient is φ = 50526497888064.

The previous prime is 111515553423091. The next prime is 111515553423121. The reversal of 111515553423112 is 211324355515111.

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, 15949017303 + ... + 15949024294.

It is an arithmetic number, because the mean of its divisors is an integer number (7177059359550).

Almost surely, 2^{111515553423112} is an apocalyptic number.

It is an amenable number.

111515553423112 is an abundant number, since it is smaller than the sum of its proper divisors (118150346082488).

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

111515553423112 is a wasteful number, since it uses less digits than its factorization.

111515553423112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31898041645 (or 31898041641 counting only the distinct ones).

The product of its digits is 90000, while the sum is 40.

The spelling of 111515553423112 in words is "one hundred eleven trillion, five hundred fifteen billion, five hundred fifty-three million, four hundred twenty-three thousand, one hundred twelve".