120265697537656 has 32 divisors (see below), whose sum is σ = 246003832771200. Its totient is φ = 54664933913440.

The previous prime is 120265697537653. The next prime is 120265697537659. The reversal of 120265697537656 is 656735796562021.

It is an interprime number because it is at equal distance from previous prime (120265697537653) and next prime (120265697537659).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120265697537653) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12404230 + ... + 19859413.

It is an arithmetic number, because the mean of its divisors is an integer number (7687619774100).

Almost surely, 2^{120265697537656} is an apocalyptic number.

It is an amenable number.

120265697537656 is an abundant number, since it is smaller than the sum of its proper divisors (125738135233544).

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

120265697537656 is a wasteful number, since it uses less digits than its factorization.

120265697537656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32306019 (or 32306015 counting only the distinct ones).

The product of its (nonzero) digits is 857304000, while the sum is 70.

The spelling of 120265697537656 in words is "one hundred twenty trillion, two hundred sixty-five billion, six hundred ninety-seven million, five hundred thirty-seven thousand, six hundred fifty-six".