1531200553252 has 12 divisors (see below), whose sum is σ = 2679609843036. Its totient is φ = 765597740960.

The previous prime is 1531200553177. The next prime is 1531200553261. The reversal of 1531200553252 is 2523550021351.

It can be written as a sum of positive squares in 2 ways, for example, as 1068506746596 + 462693806656 = 1033686^2 + 680216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597602 + ... + 2369542.

It is an arithmetic number, because the mean of its divisors is an integer number (223300820253).

Almost surely, 2^{1531200553252} is an apocalyptic number.

It is an amenable number.

1531200553252 is a deficient number, since it is larger than the sum of its proper divisors (1148409289784).

1531200553252 is a wasteful number, since it uses less digits than its factorization.

1531200553252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267838 (or 1267836 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 1531200553252 in words is "one trillion, five hundred thirty-one billion, two hundred million, five hundred fifty-three thousand, two hundred fifty-two".