15000532745 has 12 divisors (see below), whose sum is σ = 19785827460. Its totient is φ = 10909477920.

The previous prime is 15000532741. The next prime is 15000532759. The reversal of 15000532745 is 54723500051.

It can be written as a sum of positive squares in 2 ways, for example, as 1852699849 + 13147832896 = 43043^2 + 114664^2 .

It is not a de Polignac number, because 15000532745 - 2² = 15000532741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15000532741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12396530 + ... + 12397739.

It is an arithmetic number, because the mean of its divisors is an integer number (1648818955).

Almost surely, 2^15000532745 is an apocalyptic number.

It is an amenable number.

15000532745 is a deficient number, since it is larger than the sum of its proper divisors (4785294715).

15000532745 is a wasteful number, since it uses less digits than its factorization.

15000532745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24794296 (or 24794285 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

It can be divided in two parts, 15000 and 532745, that added together give a palindrome (547745).

The spelling of 15000532745 in words is "fifteen billion, five hundred thirty-two thousand, seven hundred forty-five".