15005540345 has 8 divisors (see below), whose sum is σ = 18114473664. Its totient is φ = 11932548784.

The previous prime is 15005540323. The next prime is 15005540351. The reversal of 15005540345 is 54304550051.

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 15005540345 - 2⁸ = 15005540089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8984519 + ... + 8986188.

It is an arithmetic number, because the mean of its divisors is an integer number (2264309208).

Almost surely, 2^15005540345 is an apocalyptic number.

It is an amenable number.

15005540345 is a deficient number, since it is larger than the sum of its proper divisors (3108933319).

15005540345 is a wasteful number, since it uses less digits than its factorization.

15005540345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17970879.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 15005540345 in words is "fifteen billion, five million, five hundred forty thousand, three hundred forty-five".