2015059112820 has 144 divisors (see below), whose sum is σ = 6928975347840. Its totient is φ = 469908511488.

The previous prime is 2015059112771. The next prime is 2015059112831. The reversal of 2015059112820 is 282119505102.

2015059112820 is a `hidden beast` number, since 2 + 0 + 1 + 50 + 591 + 12 + 8 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22617024 + ... + 22705943.

It is an arithmetic number, because the mean of its divisors is an integer number (48117884360).

Almost surely, 2^{2015059112820} is an apocalyptic number.

2015059112820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015059112820 is an abundant number, since it is smaller than the sum of its proper divisors (4913916235020).

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

2015059112820 is a wasteful number, since it uses less digits than its factorization.

2015059112820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45323014 (or 45323009 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The spelling of 2015059112820 in words is "two trillion, fifteen billion, fifty-nine million, one hundred twelve thousand, eight hundred twenty".