111451863876 has 48 divisors (see below), whose sum is σ = 273850684800. Its totient is φ = 35209354752.

The previous prime is 111451863829. The next prime is 111451863917. The reversal of 111451863876 is 678368154111.

It is a super-2 number, since 2×111451863876² (a number of 23 digits) contains 22 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, 1822261 + ... + 1882428.

It is an arithmetic number, because the mean of its divisors is an integer number (5705222600).

Almost surely, 2^111451863876 is an apocalyptic number.

It is an amenable number.

111451863876 is an abundant number, since it is smaller than the sum of its proper divisors (162398820924).

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

111451863876 is a wasteful number, since it uses less digits than its factorization.

111451863876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704828 (or 3704826 counting only the distinct ones).

The product of its digits is 967680, while the sum is 51.

The spelling of 111451863876 in words is "one hundred eleven billion, four hundred fifty-one million, eight hundred sixty-three thousand, eight hundred seventy-six".