1525590120972 has 24 divisors (see below), whose sum is σ = 3635448800256. Its totient is φ = 497710252048.

The previous prime is 1525590120959. The next prime is 1525590120979. The reversal of 1525590120972 is 2790210955251.

It is not an unprimeable number, because it can be changed into a prime (1525590120979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352472948 + ... + 1352474075.

It is an arithmetic number, because the mean of its divisors is an integer number (151477033344).

Almost surely, 2^{1525590120972} is an apocalyptic number.

1525590120972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1525590120972 is an abundant number, since it is smaller than the sum of its proper divisors (2109858679284).

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

1525590120972 is a wasteful number, since it uses less digits than its factorization.

1525590120972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704947077 (or 2704947075 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 48.

The spelling of 1525590120972 in words is "one trillion, five hundred twenty-five billion, five hundred ninety million, one hundred twenty thousand, nine hundred seventy-two".