1275617318496 has 96 divisors (see below), whose sum is σ = 3366376247808. Its totient is φ = 422940372480.

The previous prime is 1275617318483. The next prime is 1275617318513. The reversal of 1275617318496 is 6948137165721.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15907815 + ... + 15987801.

It is an arithmetic number, because the mean of its divisors is an integer number (35066419248).

Almost surely, 2^{1275617318496} is an apocalyptic number.

1275617318496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1275617318496 is an abundant number, since it is smaller than the sum of its proper divisors (2090758929312).

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

1275617318496 is a wasteful number, since it uses less digits than its factorization.

1275617318496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80884 (or 80876 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 60.

The spelling of 1275617318496 in words is "one trillion, two hundred seventy-five billion, six hundred seventeen million, three hundred eighteen thousand, four hundred ninety-six".