15040477913 has 2 divisors, whose sum is σ = 15040477914. Its totient is φ = 15040477912.

The previous prime is 15040477807. The next prime is 15040477937. The reversal of 15040477913 is 31977404051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8989504969 + 6050972944 = 94813^2 + 77788^2 .

It is a cyclic number.

It is not a de Polignac number, because 15040477913 - 2⁸ = 15040477657 is a prime.

It is not a weakly prime, because it can be changed into another prime (15040477013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520238956 + 7520238957.

It is an arithmetic number, because the mean of its divisors is an integer number (7520238957).

Almost surely, 2^15040477913 is an apocalyptic number.

It is an amenable number.

15040477913 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040477913 is an equidigital number, since it uses as much as digits as its factorization.

15040477913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 15040477913 in words is "fifteen billion, forty million, four hundred seventy-seven thousand, nine hundred thirteen".