120451052251215 has 24 divisors (see below), whose sum is σ = 238607798745888. Its totient is φ = 55063338171840.

The previous prime is 120451052251163. The next prime is 120451052251241. The reversal of 120451052251215 is 512152250154021.

120451052251215 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 5 + 1 + 0 + 522 + 5 + 121 + 5 = 666.

It is not a de Polignac number, because 120451052251215 - 2⁸ = 120451052250959 is a prime.

It is a super-2 number, since 2×120451052251215² (a number of 29 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 120451052251215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191192146116 + ... + 191192146745.

It is an arithmetic number, because the mean of its divisors is an integer number (9941991614412).

Almost surely, 2^{120451052251215} is an apocalyptic number.

120451052251215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120451052251215 is a deficient number, since it is larger than the sum of its proper divisors (118156746494673).

120451052251215 is a wasteful number, since it uses less digits than its factorization.

120451052251215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382384292879 (or 382384292876 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The spelling of 120451052251215 in words is "one hundred twenty trillion, four hundred fifty-one billion, fifty-two million, two hundred fifty-one thousand, two hundred fifteen".