38388061331512 has 16 divisors (see below), whose sum is σ = 72350556009840. Its totient is φ = 19094579728896.

The previous prime is 38388061331509. The next prime is 38388061331539. The reversal of 38388061331512 is 21513316088383.

It is a super-2 number, since 2×38388061331512² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38388061331512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12431365468 + ... + 12431368555.

It is an arithmetic number, because the mean of its divisors is an integer number (4521909750615).

Almost surely, 2^{38388061331512} is an apocalyptic number.

It is an amenable number.

38388061331512 is a deficient number, since it is larger than the sum of its proper divisors (33962494678328).

38388061331512 is a wasteful number, since it uses less digits than its factorization.

38388061331512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24862734222 (or 24862734218 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 38388061331512 in words is "thirty-eight trillion, three hundred eighty-eight billion, sixty-one million, three hundred thirty-one thousand, five hundred twelve".