15040130557 has 2 divisors, whose sum is σ = 15040130558. Its totient is φ = 15040130556.

The previous prime is 15040130543. The next prime is 15040130579. The reversal of 15040130557 is 75503104051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14841574276 + 198556281 = 121826^2 + 14091^2 .

It is an emirp because it is prime and its reverse (75503104051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15040130557 - 2¹⁵ = 15040097789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15040130507) 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, 7520065278 + 7520065279.

It is an arithmetic number, because the mean of its divisors is an integer number (7520065279).

Almost surely, 2^15040130557 is an apocalyptic number.

It is an amenable number.

15040130557 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040130557 is an equidigital number, since it uses as much as digits as its factorization.

15040130557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 31.

The spelling of 15040130557 in words is "fifteen billion, forty million, one hundred thirty thousand, five hundred fifty-seven".