11641115461 has 2 divisors, whose sum is σ = 11641115462. Its totient is φ = 11641115460.

The previous prime is 11641115441. The next prime is 11641115471. The reversal of 11641115461 is 16451114611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11641115236 + 225 = 107894^2 + 15^2 .

It is an emirp because it is prime and its reverse (16451114611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11641115461 - 2²⁹ = 11104244549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11641115441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5820557730 + 5820557731.

It is an arithmetic number, because the mean of its divisors is an integer number (5820557731).

Almost surely, 2^11641115461 is an apocalyptic number.

It is an amenable number.

11641115461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11641115461 is an equidigital number, since it uses as much as digits as its factorization.

11641115461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 31.

The spelling of 11641115461 in words is "eleven billion, six hundred forty-one million, one hundred fifteen thousand, four hundred sixty-one".