15064380027561 has 4 divisors (see below), whose sum is σ = 20085840036752. Its totient is φ = 10042920018372.

The previous prime is 15064380027539. The next prime is 15064380027589. The reversal of 15064380027561 is 16572008346051.

15064380027561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 15064380027561 - 2⁶ = 15064380027497 is a prime.

It is a super-2 number, since 2×15064380027561² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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 15064380027561.

It is not an unprimeable number, because it can be changed into a prime (15064380027061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510730004591 + ... + 2510730004596.

It is an arithmetic number, because the mean of its divisors is an integer number (5021460009188).

Almost surely, 2^{15064380027561} is an apocalyptic number.

It is an amenable number.

15064380027561 is a deficient number, since it is larger than the sum of its proper divisors (5021460009191).

15064380027561 is an equidigital number, since it uses as much as digits as its factorization.

15064380027561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021460009190.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 15064380027561 in words is "fifteen trillion, sixty-four billion, three hundred eighty million, twenty-seven thousand, five hundred sixty-one".