151156560565 has 4 divisors (see below), whose sum is σ = 181387872684. Its totient is φ = 120925248448.

The previous prime is 151156560563. The next prime is 151156560617. The reversal of 151156560565 is 565065651151.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30470495364 + 120686065201 = 174558^2 + 347399^2 .

It is a cyclic number.

It is not a de Polignac number, because 151156560565 - 2¹ = 151156560563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151156560563) 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, 15115656052 + ... + 15115656061.

It is an arithmetic number, because the mean of its divisors is an integer number (45346968171).

Almost surely, 2^151156560565 is an apocalyptic number.

It is an amenable number.

151156560565 is a deficient number, since it is larger than the sum of its proper divisors (30231312119).

151156560565 is an equidigital number, since it uses as much as digits as its factorization.

151156560565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30231312118.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 151156560565 in words is "one hundred fifty-one billion, one hundred fifty-six million, five hundred sixty thousand, five hundred sixty-five".