38831397155 has 16 divisors (see below), whose sum is σ = 50741575200. Its totient is φ = 28415278080.

The previous prime is 38831397049. The next prime is 38831397211. The reversal of 38831397155 is 55179313883.

It is not a de Polignac number, because 38831397155 - 2⁸ = 38831396899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38831397097 and 38831397106.

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, 7044686 + ... + 7050195.

It is an arithmetic number, because the mean of its divisors is an integer number (3171348450).

Almost surely, 2^38831397155 is an apocalyptic number.

38831397155 is a deficient number, since it is larger than the sum of its proper divisors (11910178045).

38831397155 is a wasteful number, since it uses less digits than its factorization.

38831397155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14094934.

The product of its digits is 2721600, while the sum is 53.

The spelling of 38831397155 in words is "thirty-eight billion, eight hundred thirty-one million, three hundred ninety-seven thousand, one hundred fifty-five".