15081572137 has 8 divisors (see below), whose sum is σ = 15572548352. Its totient is φ = 14590875600.

The previous prime is 15081572113. The next prime is 15081572179. The reversal of 15081572137 is 73127518051.

15081572137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15081572137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15081572137.

It is not an unprimeable number, because it can be changed into a prime (15081576137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42583 + ... + 178819.

It is an arithmetic number, because the mean of its divisors is an integer number (1946568544).

Almost surely, 2^15081572137 is an apocalyptic number.

It is an amenable number.

15081572137 is a deficient number, since it is larger than the sum of its proper divisors (490976215).

15081572137 is a wasteful number, since it uses less digits than its factorization.

15081572137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139839.

The product of its (nonzero) digits is 58800, while the sum is 40.

The spelling of 15081572137 in words is "fifteen billion, eighty-one million, five hundred seventy-two thousand, one hundred thirty-seven".