15405500005 has 16 divisors (see below), whose sum is σ = 21698559360. Its totient is φ = 10278263232.

The previous prime is 15405499999. The next prime is 15405500017. The reversal of 15405500005 is 50000550451.

It is a cyclic number.

It is not a de Polignac number, because 15405500005 - 2³ = 15405499997 is a prime.

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, 5946775 + ... + 5949364.

It is an arithmetic number, because the mean of its divisors is an integer number (1356159960).

Almost surely, 2^15405500005 is an apocalyptic number.

It is an amenable number.

15405500005 is a deficient number, since it is larger than the sum of its proper divisors (6293059355).

15405500005 is a wasteful number, since it uses less digits than its factorization.

15405500005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11896188.

The product of its (nonzero) digits is 2500, while the sum is 25.

The spelling of 15405500005 in words is "fifteen billion, four hundred five million, five hundred thousand, five".