132521172961 has 2 divisors, whose sum is σ = 132521172962. Its totient is φ = 132521172960.

The previous prime is 132521172947. The next prime is 132521172983. The reversal of 132521172961 is 169271125231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132106806225 + 414366736 = 363465^2 + 20356^2 .

It is a cyclic number.

It is not a de Polignac number, because 132521172961 - 2¹¹ = 132521170913 is a prime.

It is a super-2 number, since 2×132521172961² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (132521172911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66260586480 + 66260586481.

It is an arithmetic number, because the mean of its divisors is an integer number (66260586481).

Almost surely, 2^132521172961 is an apocalyptic number.

It is an amenable number.

132521172961 is a deficient number, since it is larger than the sum of its proper divisors (1).

132521172961 is an equidigital number, since it uses as much as digits as its factorization.

132521172961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The spelling of 132521172961 in words is "one hundred thirty-two billion, five hundred twenty-one million, one hundred seventy-two thousand, nine hundred sixty-one".