111286954020 has 48 divisors (see below), whose sum is σ = 339931061568. Its totient is φ = 26978655360.

The previous prime is 111286954019. The next prime is 111286954039. The reversal of 111286954020 is 20459682111.

It is a super-2 number, since 2×111286954020² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111286954020.

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, 84307639 + ... + 84308958.

It is an arithmetic number, because the mean of its divisors is an integer number (7081897116).

Almost surely, 2^111286954020 is an apocalyptic number.

111286954020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111286954020 is an abundant number, since it is smaller than the sum of its proper divisors (228644107548).

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

111286954020 is a wasteful number, since it uses less digits than its factorization.

111286954020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168616620 (or 168616618 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 111286954020 in words is "one hundred eleven billion, two hundred eighty-six million, nine hundred fifty-four thousand, twenty".