1538265413188 has 12 divisors (see below), whose sum is σ = 3076530826432. Its totient is φ = 659256605640.

The previous prime is 1538265413161. The next prime is 1538265413221. The reversal of 1538265413188 is 8813145628351.

It is a happy number.

1538265413188 is an admirable number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 27469025208 + ... + 27469025263.

Almost surely, 2^{1538265413188} is an apocalyptic number.

It is an amenable number.

1538265413188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1538265413188 is a wasteful number, since it uses less digits than its factorization.

1538265413188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54938050482 (or 54938050480 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 55.

The spelling of 1538265413188 in words is "one trillion, five hundred thirty-eight billion, two hundred sixty-five million, four hundred thirteen thousand, one hundred eighty-eight".