120357618860644 has 81 divisors (see below), whose sum is σ = 237044050602681. Its totient is φ = 53431121583840.

The previous prime is 120357618860641. The next prime is 120357618860681. The reversal of 120357618860644 is 446068816753021.

The square root of 120357618860644 is 10970762.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 105837800062500 + 14519818798144 = 10287750^2 + 3810488^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120357618860641) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10378335054 + ... + 10378346650.

Almost surely, 2^{120357618860644} is an apocalyptic number.

120357618860644 is the 10970762-nd square number.

It is an amenable number.

120357618860644 is a deficient number, since it is larger than the sum of its proper divisors (116686431742037).

120357618860644 is an frugal number, since it uses more digits than its factorization.

120357618860644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23306 (or 11653 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 120357618860644 in words is "one hundred twenty trillion, three hundred fifty-seven billion, six hundred eighteen million, eight hundred sixty thousand, six hundred forty-four".