15651520045 has 16 divisors (see below), whose sum is σ = 21677470848. Its totient is φ = 10626206400.

The previous prime is 15651520039. The next prime is 15651520063. The reversal of 15651520045 is 54002515651.

It is not a de Polignac number, because 15651520045 - 2³ = 15651520037 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2210259 + ... + 2217328.

It is an arithmetic number, because the mean of its divisors is an integer number (1354841928).

Almost surely, 2^15651520045 is an apocalyptic number.

It is an amenable number.

15651520045 is a deficient number, since it is larger than the sum of its proper divisors (6025950803).

15651520045 is a wasteful number, since it uses less digits than its factorization.

15651520045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427700.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 15651520045 in words is "fifteen billion, six hundred fifty-one million, five hundred twenty thousand, forty-five".