1325477823744 has 72 divisors (see below), whose sum is σ = 3527882434720. Its totient is φ = 441803593728.

The previous prime is 1325477823721. The next prime is 1325477823749. The reversal of 1325477823744 is 4473287745231.

It is a super-2 number, since 2×1325477823744² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325477823749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23210394 + ... + 23267430.

Almost surely, 2^{1325477823744} is an apocalyptic number.

It is an amenable number.

1325477823744 is an abundant number, since it is smaller than the sum of its proper divisors (2202404610976).

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

1325477823744 is an equidigital number, since it uses as much as digits as its factorization.

1325477823744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87315 (or 87301 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 57.

The spelling of 1325477823744 in words is "one trillion, three hundred twenty-five billion, four hundred seventy-seven million, eight hundred twenty-three thousand, seven hundred forty-four".