111611414980 has 48 divisors (see below), whose sum is σ = 254229514560. Its totient is φ = 40913877888.

The previous prime is 111611414927. The next prime is 111611415043. The reversal of 111611414980 is 89414116111.

It is a happy number.

It is a super-5 number, since 5×111611414980⁵ (a number of 56 digits) contains 55555 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1508014 + ... + 1580293.

It is an arithmetic number, because the mean of its divisors is an integer number (5296448220).

Almost surely, 2^111611414980 is an apocalyptic number.

111611414980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111611414980 is an abundant number, since it is smaller than the sum of its proper divisors (142618099580).

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

111611414980 is a wasteful number, since it uses less digits than its factorization.

111611414980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088468 (or 3088466 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 37.

The spelling of 111611414980 in words is "one hundred eleven billion, six hundred eleven million, four hundred fourteen thousand, nine hundred eighty".