1565672015201 has 4 divisors (see below), whose sum is σ = 1789339445952. Its totient is φ = 1342004584452.

The previous prime is 1565672015183. The next prime is 1565672015209. The reversal of 1565672015201 is 1025102765651.

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 1565672015201 - 2²² = 1565667820897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1565672015209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111833715365 + ... + 111833715378.

It is an arithmetic number, because the mean of its divisors is an integer number (447334861488).

Almost surely, 2^{1565672015201} is an apocalyptic number.

It is an amenable number.

1565672015201 is a deficient number, since it is larger than the sum of its proper divisors (223667430751).

1565672015201 is an equidigital number, since it uses as much as digits as its factorization.

1565672015201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223667430750.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 1565672015201 in words is "one trillion, five hundred sixty-five billion, six hundred seventy-two million, fifteen thousand, two hundred one".