38915291525 has 12 divisors (see below), whose sum is σ = 52641776544. Its totient is φ = 28302030000.

The previous prime is 38915291453. The next prime is 38915291587. The reversal of 38915291525 is 52519251983.

It is a happy number.

It is not a de Polignac number, because 38915291525 - 2¹⁶ = 38915225989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70754801 + ... + 70755350.

It is an arithmetic number, because the mean of its divisors is an integer number (4386814712).

Almost surely, 2^38915291525 is an apocalyptic number.

It is an amenable number.

38915291525 is a deficient number, since it is larger than the sum of its proper divisors (13726485019).

38915291525 is a wasteful number, since it uses less digits than its factorization.

38915291525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141510172 (or 141510167 counting only the distinct ones).

The product of its digits is 972000, while the sum is 50.

The spelling of 38915291525 in words is "thirty-eight billion, nine hundred fifteen million, two hundred ninety-one thousand, five hundred twenty-five".