15795555275940 has 144 divisors (see below), whose sum is σ = 50290095723840. Its totient is φ = 3697183212800.

The previous prime is 15795555275939. The next prime is 15795555275947. The reversal of 15795555275940 is 4957255559751.

It is not an unprimeable number, because it can be changed into a prime (15795555275947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37301466 + ... + 37722545.

It is an arithmetic number, because the mean of its divisors is an integer number (349236775860).

Almost surely, 2^{15795555275940} is an apocalyptic number.

15795555275940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15795555275940 is an abundant number, since it is smaller than the sum of its proper divisors (34494540447900).

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

15795555275940 is a wasteful number, since it uses less digits than its factorization.

15795555275940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75024074 (or 75024061 counting only the distinct ones).

The product of its (nonzero) digits is 496125000, while the sum is 69.

The spelling of 15795555275940 in words is "fifteen trillion, seven hundred ninety-five billion, five hundred fifty-five million, two hundred seventy-five thousand, nine hundred forty".