104531262761 has 2 divisors, whose sum is σ = 104531262762. Its totient is φ = 104531262760.

The previous prime is 104531262721. The next prime is 104531262763. The reversal of 104531262761 is 167262135401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76090464025 + 28440798736 = 275845^2 + 168644^2 .

It is an emirp because it is prime and its reverse (167262135401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104531262761 is a prime.

Together with 104531262763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104531262763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52265631380 + 52265631381.

It is an arithmetic number, because the mean of its divisors is an integer number (52265631381).

Almost surely, 2^104531262761 is an apocalyptic number.

It is an amenable number.

104531262761 is a deficient number, since it is larger than the sum of its proper divisors (1).

104531262761 is an equidigital number, since it uses as much as digits as its factorization.

104531262761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 104531262761 in words is "one hundred four billion, five hundred thirty-one million, two hundred sixty-two thousand, seven hundred sixty-one".