111341999972 has 24 divisors (see below), whose sum is σ = 222705356160. Its totient is φ = 47713423680.

The previous prime is 111341999933. The next prime is 111342000001. The reversal of 111341999972 is 279999143111.

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, 115097 + ... + 485727.

It is an arithmetic number, because the mean of its divisors is an integer number (9279389840).

Almost surely, 2^111341999972 is an apocalyptic number.

It is an amenable number.

111341999972 is an abundant number, since it is smaller than the sum of its proper divisors (111363356188).

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

111341999972 is a wasteful number, since it uses less digits than its factorization.

111341999972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381371 (or 381369 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 56.

The spelling of 111341999972 in words is "one hundred eleven billion, three hundred forty-one million, nine hundred ninety-nine thousand, nine hundred seventy-two".