111776155116 has 48 divisors (see below), whose sum is σ = 276848653536. Its totient is φ = 34978673664.

The previous prime is 111776155109. The next prime is 111776155123. The reversal of 111776155116 is 611551677111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111776155109) and next prime (111776155123).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609091 + ... + 771066.

It is an arithmetic number, because the mean of its divisors is an integer number (5767680282).

Almost surely, 2^111776155116 is an apocalyptic number.

It is an amenable number.

111776155116 is an abundant number, since it is smaller than the sum of its proper divisors (165072498420).

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

111776155116 is a wasteful number, since it uses less digits than its factorization.

111776155116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380578 (or 1380576 counting only the distinct ones).

The product of its digits is 44100, while the sum is 42.

The spelling of 111776155116 in words is "one hundred eleven billion, seven hundred seventy-six million, one hundred fifty-five thousand, one hundred sixteen".