120155856264 has 48 divisors (see below), whose sum is σ = 325634964720. Its totient is φ = 40025754720.

The previous prime is 120155856251. The next prime is 120155856269. The reversal of 120155856264 is 462658551021.

120155856264 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 5 + 585 + 6 + 2 + 64 = 666.

120155856264 is digitally balanced in base 3 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (120155856269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434782 + ... + 655245.

It is an arithmetic number, because the mean of its divisors is an integer number (6784061765).

Almost surely, 2^120155856264 is an apocalyptic number.

It is an amenable number.

120155856264 is an abundant number, since it is smaller than the sum of its proper divisors (205479108456).

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

120155856264 is a wasteful number, since it uses less digits than its factorization.

120155856264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091570 (or 1091563 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 120155856264 in words is "one hundred twenty billion, one hundred fifty-five million, eight hundred fifty-six thousand, two hundred sixty-four".