102036646013261 has 2 divisors, whose sum is σ = 102036646013262. Its totient is φ = 102036646013260.

The previous prime is 102036646013233. The next prime is 102036646013327. The reversal of 102036646013261 is 162310646630201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59263345596361 + 42773300416900 = 7698269^2 + 6540130^2 .

It is a cyclic number.

It is not a de Polignac number, because 102036646013261 - 2²⁶ = 102036578904397 is a prime.

It is a super-2 number, since 2×102036646013261² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102036646010261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51018323006630 + 51018323006631.

It is an arithmetic number, because the mean of its divisors is an integer number (51018323006631).

Almost surely, 2^{102036646013261} is an apocalyptic number.

It is an amenable number.

102036646013261 is a deficient number, since it is larger than the sum of its proper divisors (1).

102036646013261 is an equidigital number, since it uses as much as digits as its factorization.

102036646013261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 102036646013261 in words is "one hundred two trillion, thirty-six billion, six hundred forty-six million, thirteen thousand, two hundred sixty-one".