245515055031 has 12 divisors (see below), whose sum is σ = 354764775040. Its totient is φ = 163615818240.

The previous prime is 245515054979. The next prime is 245515055039. The reversal of 245515055031 is 130550515542.

245515055031 is a `hidden beast` number, since 2 + 4 + 5 + 51 + 50 + 550 + 3 + 1 = 666.

It is not a de Polignac number, because 245515055031 - 2²³ = 245506666423 is a prime.

It is a super-2 number, since 2×245515055031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245515055039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5048215 + ... + 5096616.

Almost surely, 2^245515055031 is an apocalyptic number.

245515055031 is a deficient number, since it is larger than the sum of its proper divisors (109249720009).

245515055031 is a wasteful number, since it uses less digits than its factorization.

245515055031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10147526 (or 10147523 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 245515055031 in words is "two hundred forty-five billion, five hundred fifteen million, fifty-five thousand, thirty-one".