111687405102 has 288 divisors, whose sum is σ = 311558607360. Its totient is φ = 28645384320.

The previous prime is 111687405073. The next prime is 111687405161. The reversal of 111687405102 is 201504786111.

111687405102 is a `hidden beast` number, since 1 + 11 + 68 + 74 + 0 + 510 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 177000327 + ... + 177000957.

It is an arithmetic number, because the mean of its divisors is an integer number (1081800720).

Almost surely, 2^111687405102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111687405102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155779303680).

111687405102 is an abundant number, since it is smaller than the sum of its proper divisors (199871202258).

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

111687405102 is a wasteful number, since it uses less digits than its factorization.

111687405102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 111687405102 in words is "one hundred eleven billion, six hundred eighty-seven million, four hundred five thousand, one hundred two".