15040500545 has 16 divisors (see below), whose sum is σ = 20705414400. Its totient is φ = 10274265024.

The previous prime is 15040500539. The next prime is 15040500571. The reversal of 15040500545 is 54500504051.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 15040500545 - 2²⁰ = 15039451969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807770 + ... + 826179.

It is an arithmetic number, because the mean of its divisors is an integer number (1294088400).

Almost surely, 2^15040500545 is an apocalyptic number.

It is an amenable number.

15040500545 is a deficient number, since it is larger than the sum of its proper divisors (5664913855).

15040500545 is a wasteful number, since it uses less digits than its factorization.

15040500545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634224.

The product of its (nonzero) digits is 10000, while the sum is 29.

The spelling of 15040500545 in words is "fifteen billion, forty million, five hundred thousand, five hundred forty-five".