11626111162261 has 2 divisors, whose sum is σ = 11626111162262. Its totient is φ = 11626111162260.

The previous prime is 11626111162201. The next prime is 11626111162279. The reversal of 11626111162261 is 16226111162611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10696294529361 + 929816632900 = 3270519^2 + 964270^2 .

It is a cyclic number.

It is not a de Polignac number, because 11626111162261 - 2²³ = 11626102773653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11626111162261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11626111162201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5813055581130 + 5813055581131.

It is an arithmetic number, because the mean of its divisors is an integer number (5813055581131).

Almost surely, 2^{11626111162261} is an apocalyptic number.

It is an amenable number.

11626111162261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11626111162261 is an equidigital number, since it uses as much as digits as its factorization.

11626111162261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 37.

The spelling of 11626111162261 in words is "eleven trillion, six hundred twenty-six billion, one hundred eleven million, one hundred sixty-two thousand, two hundred sixty-one".