15040700557 has 16 divisors (see below), whose sum is σ = 15287021568. Its totient is φ = 14796691200.

The previous prime is 15040700539. The next prime is 15040700567. The reversal of 15040700557 is 75500704051.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15040700557 is a prime.

It is a super-2 number, since 2×15040700557² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15040700537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13066932 + ... + 13068082.

It is an arithmetic number, because the mean of its divisors is an integer number (955438848).

Almost surely, 2^15040700557 is an apocalyptic number.

It is an amenable number.

15040700557 is a deficient number, since it is larger than the sum of its proper divisors (246321011).

15040700557 is a wasteful number, since it uses less digits than its factorization.

15040700557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980.

The product of its (nonzero) digits is 24500, while the sum is 34.

The spelling of 15040700557 in words is "fifteen billion, forty million, seven hundred thousand, five hundred fifty-seven".