38381951125 has 24 divisors (see below), whose sum is σ = 55721202264. Its totient is φ = 26319048000.

The previous prime is 38381951117. The next prime is 38381951137. The reversal of 38381951125 is 52115918383.

It can be written as a sum of positive squares in 4 ways, for example, as 496442961 + 37885508164 = 22281^2 + 194642^2 .

It is not a de Polignac number, because 38381951125 - 2³ = 38381951117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3127096 + ... + 3139345.

It is an arithmetic number, because the mean of its divisors is an integer number (2321716761).

Almost surely, 2^38381951125 is an apocalyptic number.

38381951125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38381951125 is a deficient number, since it is larger than the sum of its proper divisors (17339251139).

38381951125 is an equidigital number, since it uses as much as digits as its factorization.

38381951125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266470 (or 6266453 counting only the distinct ones).

The product of its digits is 259200, while the sum is 46.

The spelling of 38381951125 in words is "thirty-eight billion, three hundred eighty-one million, nine hundred fifty-one thousand, one hundred twenty-five".