138876375011 has 4 divisors (see below), whose sum is σ = 151501500024. Its totient is φ = 126251250000.

The previous prime is 138876375007. The next prime is 138876375037. The reversal of 138876375011 is 110573678831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138876375011 - 2² = 138876375007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138876377011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6312562490 + ... + 6312562511.

It is an arithmetic number, because the mean of its divisors is an integer number (37875375006).

Almost surely, 2^138876375011 is an apocalyptic number.

138876375011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

138876375011 is a deficient number, since it is larger than the sum of its proper divisors (12625125013).

138876375011 is a wasteful number, since it uses less digits than its factorization.

138876375011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12625125012.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 138876375011 in words is "one hundred thirty-eight billion, eight hundred seventy-six million, three hundred seventy-five thousand, eleven".