38987252125 has 16 divisors (see below), whose sum is σ = 48682526256. Its totient is φ = 31172856000.

The previous prime is 38987252119. The next prime is 38987252197. The reversal of 38987252125 is 52125278983.

It can be written as a sum of positive squares in 8 ways, for example, as 32164987716 + 6822264409 = 179346^2 + 82597^2 .

It is not a de Polignac number, because 38987252125 - 2⁵ = 38987252093 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 15 ways as a sum of consecutive naturals, for example, 148827 + ... + 316423.

It is an arithmetic number, because the mean of its divisors is an integer number (3042657891).

Almost surely, 2^38987252125 is an apocalyptic number.

It is an amenable number.

38987252125 is a deficient number, since it is larger than the sum of its proper divisors (9695274131).

38987252125 is a wasteful number, since it uses less digits than its factorization.

38987252125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169473 (or 169463 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 52.

The spelling of 38987252125 in words is "thirty-eight billion, nine hundred eighty-seven million, two hundred fifty-two thousand, one hundred twenty-five".