111551115114 has 16 divisors (see below), whose sum is σ = 247891367040. Its totient is φ = 37183705020.

The previous prime is 111551115089. The next prime is 111551115119. The reversal of 111551115114 is 411511155111.

111551115114 is a `hidden beast` number, since 11 + 15 + 511 + 15 + 114 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (111551115119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032880642 + ... + 1032880749.

It is an arithmetic number, because the mean of its divisors is an integer number (15493210440).

Almost surely, 2^111551115114 is an apocalyptic number.

111551115114 is an abundant number, since it is smaller than the sum of its proper divisors (136340251926).

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

111551115114 is a wasteful number, since it uses less digits than its factorization.

111551115114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065761402 (or 2065761396 counting only the distinct ones).

The product of its digits is 500, while the sum is 27.

The spelling of 111551115114 in words is "one hundred eleven billion, five hundred fifty-one million, one hundred fifteen thousand, one hundred fourteen".