15006220145565 has 128 divisors (see below), whose sum is σ = 27533161267200. Its totient is φ = 6908218732800.

The previous prime is 15006220145549. The next prime is 15006220145573. The reversal of 15006220145565 is 56554102260051.

It is not a de Polignac number, because 15006220145565 - 2⁴ = 15006220145549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 325470304 + ... + 325516406.

It is an arithmetic number, because the mean of its divisors is an integer number (215102822400).

Almost surely, 2^{15006220145565} is an apocalyptic number.

15006220145565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15006220145565 is a deficient number, since it is larger than the sum of its proper divisors (12526941121635).

15006220145565 is a wasteful number, since it uses less digits than its factorization.

15006220145565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46775.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 15006220145565 in words is "fifteen trillion, six billion, two hundred twenty million, one hundred forty-five thousand, five hundred sixty-five".