260549414605091 has 2 divisors, whose sum is σ = 260549414605092. Its totient is φ = 260549414605090.

The previous prime is 260549414605057. The next prime is 260549414605111. The reversal of 260549414605091 is 190506414945062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260549414605091 is a prime.

It is not a weakly prime, because it can be changed into another prime (260549414605021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130274707302545 + 130274707302546.

It is an arithmetic number, because the mean of its divisors is an integer number (130274707302546).

Almost surely, 2^{260549414605091} is an apocalyptic number.

260549414605091 is a deficient number, since it is larger than the sum of its proper divisors (1).

260549414605091 is an equidigital number, since it uses as much as digits as its factorization.

260549414605091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 260549414605091 in words is "two hundred sixty trillion, five hundred forty-nine billion, four hundred fourteen million, six hundred five thousand, ninety-one".