15012745747 has 16 divisors (see below), whose sum is σ = 16898176800. Its totient is φ = 13253414400.

The previous prime is 15012745729. The next prime is 15012745757. The reversal of 15012745747 is 74754721051.

It is a cyclic number.

It is not a de Polignac number, because 15012745747 - 2⁷ = 15012745619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15012745757) 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, 197472 + ... + 262717.

It is an arithmetic number, because the mean of its divisors is an integer number (1056136050).

Almost surely, 2^15012745747 is an apocalyptic number.

15012745747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

15012745747 is a deficient number, since it is larger than the sum of its proper divisors (1885431053).

15012745747 is a wasteful number, since it uses less digits than its factorization.

15012745747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460326.

The product of its (nonzero) digits is 274400, while the sum is 43.

The spelling of 15012745747 in words is "fifteen billion, twelve million, seven hundred forty-five thousand, seven hundred forty-seven".