15040331545 has 16 divisors (see below), whose sum is σ = 19112969088. Its totient is φ = 11322766080.

The previous prime is 15040331533. The next prime is 15040331563. The reversal of 15040331545 is 54513304051.

15040331545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-15040331545 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 977260 + ... + 992530.

It is an arithmetic number, because the mean of its divisors is an integer number (1194560568).

Almost surely, 2^15040331545 is an apocalyptic number.

It is an amenable number.

15040331545 is a deficient number, since it is larger than the sum of its proper divisors (4072637543).

15040331545 is a wasteful number, since it uses less digits than its factorization.

15040331545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26880.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 15040331545 its reverse (54513304051), we get a palindrome (69553635596).

The spelling of 15040331545 in words is "fifteen billion, forty million, three hundred thirty-one thousand, five hundred forty-five".