113878931533 has 2 divisors, whose sum is σ = 113878931534. Its totient is φ = 113878931532.

The previous prime is 113878931527. The next prime is 113878931581. The reversal of 113878931533 is 335139878311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83184942724 + 30693988809 = 288418^2 + 175197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113878931533 is a prime.

It is a super-2 number, since 2×113878931533² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113878931333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56939465766 + 56939465767.

It is an arithmetic number, because the mean of its divisors is an integer number (56939465767).

Almost surely, 2^113878931533 is an apocalyptic number.

It is an amenable number.

113878931533 is a deficient number, since it is larger than the sum of its proper divisors (1).

113878931533 is an equidigital number, since it uses as much as digits as its factorization.

113878931533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The spelling of 113878931533 in words is "one hundred thirteen billion, eight hundred seventy-eight million, nine hundred thirty-one thousand, five hundred thirty-three".