261360090611119 has 2 divisors, whose sum is σ = 261360090611120. Its totient is φ = 261360090611118.

The previous prime is 261360090611083. The next prime is 261360090611273. The reversal of 261360090611119 is 911116090063162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261360090611119 - 2²³ = 261360082222511 is a prime.

It is a super-2 number, since 2×261360090611119² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (261360090618119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130680045305559 + 130680045305560.

It is an arithmetic number, because the mean of its divisors is an integer number (130680045305560).

Almost surely, 2^{261360090611119} is an apocalyptic number.

261360090611119 is a deficient number, since it is larger than the sum of its proper divisors (1).

261360090611119 is an equidigital number, since it uses as much as digits as its factorization.

261360090611119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 46.

The spelling of 261360090611119 in words is "two hundred sixty-one trillion, three hundred sixty billion, ninety million, six hundred eleven thousand, one hundred nineteen".