965647725131 has 2 divisors, whose sum is σ = 965647725132. Its totient is φ = 965647725130.

The previous prime is 965647725083. The next prime is 965647725143. The reversal of 965647725131 is 131527746569.

965647725131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 965647725131 - 2¹⁸ = 965647462987 is a prime.

It is a super-2 number, since 2×965647725131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (965647725331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482823862565 + 482823862566.

It is an arithmetic number, because the mean of its divisors is an integer number (482823862566).

Almost surely, 2^965647725131 is an apocalyptic number.

965647725131 is a deficient number, since it is larger than the sum of its proper divisors (1).

965647725131 is an equidigital number, since it uses as much as digits as its factorization.

965647725131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9525600, while the sum is 56.

The spelling of 965647725131 in words is "nine hundred sixty-five billion, six hundred forty-seven million, seven hundred twenty-five thousand, one hundred thirty-one".