11610207755621 has 2 divisors, whose sum is σ = 11610207755622. Its totient is φ = 11610207755620.

The previous prime is 11610207755603. The next prime is 11610207755683. The reversal of 11610207755621 is 12655770201611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11604317193121 + 5890562500 = 3406511^2 + 76750^2 .

It is a cyclic number.

It is not a de Polignac number, because 11610207755621 - 2¹⁸ = 11610207493477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11610207755921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805103877810 + 5805103877811.

It is an arithmetic number, because the mean of its divisors is an integer number (5805103877811).

Almost surely, 2^{11610207755621} is an apocalyptic number.

It is an amenable number.

11610207755621 is a deficient number, since it is larger than the sum of its proper divisors (1).

11610207755621 is an equidigital number, since it uses as much as digits as its factorization.

11610207755621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 11610207755621 in words is "eleven trillion, six hundred ten billion, two hundred seven million, seven hundred fifty-five thousand, six hundred twenty-one".