9361258136261 has 2 divisors, whose sum is σ = 9361258136262. Its totient is φ = 9361258136260.

The previous prime is 9361258136249. The next prime is 9361258136317. The reversal of 9361258136261 is 1626318521639.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9326268563236 + 34989573025 = 3053894^2 + 187055^2 .

It is a cyclic number.

It is not a de Polignac number, because 9361258136261 - 2³⁰ = 9360184394437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9361258136761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4680629068130 + 4680629068131.

It is an arithmetic number, because the mean of its divisors is an integer number (4680629068131).

Almost surely, 2^{9361258136261} is an apocalyptic number.

It is an amenable number.

9361258136261 is a deficient number, since it is larger than the sum of its proper divisors (1).

9361258136261 is an equidigital number, since it uses as much as digits as its factorization.

9361258136261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 53.

The spelling of 9361258136261 in words is "nine trillion, three hundred sixty-one billion, two hundred fifty-eight million, one hundred thirty-six thousand, two hundred sixty-one".