38057855815 has 12 divisors (see below), whose sum is σ = 53125660296. Its totient is φ = 26096815248.

The previous prime is 38057855807. The next prime is 38057855819. The reversal of 38057855815 is 51855875083.

It is not a de Polignac number, because 38057855815 - 2³ = 38057855807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38057855819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77668849 + ... + 77669338.

It is an arithmetic number, because the mean of its divisors is an integer number (4427138358).

Almost surely, 2^38057855815 is an apocalyptic number.

38057855815 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38057855815 is a deficient number, since it is larger than the sum of its proper divisors (15067804481).

38057855815 is a wasteful number, since it uses less digits than its factorization.

38057855815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155338206 (or 155338199 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 55.

The spelling of 38057855815 in words is "thirty-eight billion, fifty-seven million, eight hundred fifty-five thousand, eight hundred fifteen".