15480056577 has 8 divisors (see below), whose sum is σ = 20755383840. Its totient is φ = 10262383520.

The previous prime is 15480056569. The next prime is 15480056591. The reversal of 15480056577 is 77565008451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15480056577 - 2³ = 15480056569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15480056177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14412924 + ... + 14413997.

It is an arithmetic number, because the mean of its divisors is an integer number (2594422980).

Almost surely, 2^15480056577 is an apocalyptic number.

It is an amenable number.

15480056577 is a deficient number, since it is larger than the sum of its proper divisors (5275327263).

15480056577 is a wasteful number, since it uses less digits than its factorization.

15480056577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28827103.

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 15480056577 in words is "fifteen billion, four hundred eighty million, fifty-six thousand, five hundred seventy-seven".