261674027711 has 2 divisors, whose sum is σ = 261674027712. Its totient is φ = 261674027710.

The previous prime is 261674027689. The next prime is 261674027717. The reversal of 261674027711 is 117720476162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 261674027711 - 2¹⁰ = 261674026687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (261674027717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130837013855 + 130837013856.

It is an arithmetic number, because the mean of its divisors is an integer number (130837013856).

Almost surely, 2^261674027711 is an apocalyptic number.

261674027711 is a deficient number, since it is larger than the sum of its proper divisors (1).

261674027711 is an equidigital number, since it uses as much as digits as its factorization.

261674027711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 261674027711 in words is "two hundred sixty-one billion, six hundred seventy-four million, twenty-seven thousand, seven hundred eleven".