15045155505 has 12 divisors (see below), whose sum is σ = 26078269620. Its totient is φ = 8024082912.

The previous prime is 15045155483. The next prime is 15045155519. The reversal of 15045155505 is 50555154051.

15045155505 is a `hidden beast` number, since 1 + 50 + 4 + 51 + 5 + 550 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5948574129 + 9096581376 = 77127^2 + 95376^2 .

It is not a de Polignac number, because 15045155505 - 2⁸ = 15045155249 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15045155505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167168350 + ... + 167168439.

It is an arithmetic number, because the mean of its divisors is an integer number (2173189135).

Almost surely, 2^15045155505 is an apocalyptic number.

15045155505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15045155505 is a deficient number, since it is larger than the sum of its proper divisors (11033114115).

15045155505 is a wasteful number, since it uses less digits than its factorization.

15045155505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334336800 (or 334336797 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 36.

The spelling of 15045155505 in words is "fifteen billion, forty-five million, one hundred fifty-five thousand, five hundred five".