125000262513 has 24 divisors (see below), whose sum is σ = 206372702016. Its totient is φ = 71420738400.

The previous prime is 125000262511. The next prime is 125000262539. The reversal of 125000262513 is 315262000521.

It is a happy number.

125000262513 is a `hidden beast` number, since 1 + 25 + 0 + 0 + 0 + 2 + 625 + 13 = 666.

It is not a de Polignac number, because 125000262513 - 2¹ = 125000262511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125000262511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 482278 + ... + 694688.

It is an arithmetic number, because the mean of its divisors is an integer number (8598862584).

Almost surely, 2^125000262513 is an apocalyptic number.

It is an amenable number.

125000262513 is a deficient number, since it is larger than the sum of its proper divisors (81372439503).

125000262513 is a wasteful number, since it uses less digits than its factorization.

125000262513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221765 (or 221762 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 125000262513 in words is "one hundred twenty-five billion, two hundred sixty-two thousand, five hundred thirteen".