1252045550331 has 6 divisors (see below), whose sum is σ = 1808510239380. Its totient is φ = 834697033548.

The previous prime is 1252045550323. The next prime is 1252045550333. The reversal of 1252045550331 is 1330555402521.

1252045550331 is a `hidden beast` number, since 1 + 2 + 520 + 4 + 55 + 50 + 3 + 31 = 666.

It is not a de Polignac number, because 1252045550331 - 2³ = 1252045550323 is a prime.

It is a super-2 number, since 2×1252045550331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1252045550333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69558086121 + ... + 69558086138.

It is an arithmetic number, because the mean of its divisors is an integer number (301418373230).

Almost surely, 2^{1252045550331} is an apocalyptic number.

1252045550331 is a deficient number, since it is larger than the sum of its proper divisors (556464689049).

1252045550331 is a wasteful number, since it uses less digits than its factorization.

1252045550331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139116172265 (or 139116172262 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 1252045550331 in words is "one trillion, two hundred fifty-two billion, forty-five million, five hundred fifty thousand, three hundred thirty-one".