15006556065 has 16 divisors (see below), whose sum is σ = 24183230400. Its totient is φ = 7945916352.

The previous prime is 15006555983. The next prime is 15006556067. The reversal of 15006556065 is 56065560051.

It is not a de Polignac number, because 15006556065 - 2¹³ = 15006547873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15006556067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3596610 + ... + 3600779.

It is an arithmetic number, because the mean of its divisors is an integer number (1511451900).

Almost surely, 2^15006556065 is an apocalyptic number.

15006556065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15006556065 is a deficient number, since it is larger than the sum of its proper divisors (9176674335).

15006556065 is a wasteful number, since it uses less digits than its factorization.

15006556065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197536.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 15006556065 in words is "fifteen billion, six million, five hundred fifty-six thousand, sixty-five".