113907122961913 has 2 divisors, whose sum is σ = 113907122961914. Its totient is φ = 113907122961912.

The previous prime is 113907122961899. The next prime is 113907122962043. The reversal of 113907122961913 is 319169221709311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73160514705664 + 40746608256249 = 8553392^2 + 6383307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113907122961913 is a prime.

It is a super-2 number, since 2×113907122961913² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113907122968913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56953561480956 + 56953561480957.

It is an arithmetic number, because the mean of its divisors is an integer number (56953561480957).

Almost surely, 2^{113907122961913} is an apocalyptic number.

It is an amenable number.

113907122961913 is a deficient number, since it is larger than the sum of its proper divisors (1).

113907122961913 is an equidigital number, since it uses as much as digits as its factorization.

113907122961913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The spelling of 113907122961913 in words is "one hundred thirteen trillion, nine hundred seven billion, one hundred twenty-two million, nine hundred sixty-one thousand, nine hundred thirteen".