8532913315261 has 2 divisors, whose sum is σ = 8532913315262. Its totient is φ = 8532913315260.

The previous prime is 8532913315259. The next prime is 8532913315313. The reversal of 8532913315261 is 1625133192358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7564667155236 + 968246160025 = 2750394^2 + 983995^2 .

It is a cyclic number.

It is not a de Polignac number, because 8532913315261 - 2¹ = 8532913315259 is a prime.

Together with 8532913315259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8532913315211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4266456657630 + 4266456657631.

It is an arithmetic number, because the mean of its divisors is an integer number (4266456657631).

Almost surely, 2^{8532913315261} is an apocalyptic number.

It is an amenable number.

8532913315261 is a deficient number, since it is larger than the sum of its proper divisors (1).

8532913315261 is an equidigital number, since it uses as much as digits as its factorization.

8532913315261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 49.

The spelling of 8532913315261 in words is "eight trillion, five hundred thirty-two billion, nine hundred thirteen million, three hundred fifteen thousand, two hundred sixty-one".