15129071072 has 12 divisors (see below), whose sum is σ = 29785358736. Its totient is φ = 7564535520.

The previous prime is 15129071071. The next prime is 15129071129. The reversal of 15129071072 is 27017092151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15129071071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236391704 + ... + 236391767.

It is an arithmetic number, because the mean of its divisors is an integer number (2482113228).

Almost surely, 2^15129071072 is an apocalyptic number.

It is an amenable number.

15129071072 is a deficient number, since it is larger than the sum of its proper divisors (14656287664).

15129071072 is an equidigital number, since it uses as much as digits as its factorization.

15129071072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472783481 (or 472783473 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 35.

The spelling of 15129071072 in words is "fifteen billion, one hundred twenty-nine million, seventy-one thousand, seventy-two".