1138752422931 has 64 divisors (see below), whose sum is σ = 1700329881600. Its totient is φ = 673684646400.

The previous prime is 1138752422923. The next prime is 1138752422933. The reversal of 1138752422931 is 1392242578311.

It is not a de Polignac number, because 1138752422931 - 2³ = 1138752422923 is a prime.

It is a super-2 number, since 2×1138752422931² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1138752422933) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 339013630 + ... + 339016988.

It is an arithmetic number, because the mean of its divisors is an integer number (26567654400).

Almost surely, 2^{1138752422931} is an apocalyptic number.

1138752422931 is a deficient number, since it is larger than the sum of its proper divisors (561577458669).

1138752422931 is a wasteful number, since it uses less digits than its factorization.

1138752422931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960.

The product of its digits is 725760, while the sum is 48.

The spelling of 1138752422931 in words is "one trillion, one hundred thirty-eight billion, seven hundred fifty-two million, four hundred twenty-two thousand, nine hundred thirty-one".