261340062635235 has 32 divisors (see below), whose sum is σ = 418996587674880. Its totient is φ = 139097389235328.

The previous prime is 261340062635227. The next prime is 261340062635257. The reversal of 261340062635235 is 532536260043162.

It is not a de Polignac number, because 261340062635235 - 2³ = 261340062635227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16831332 + ... + 28389678.

It is an arithmetic number, because the mean of its divisors is an integer number (13093643364840).

Almost surely, 2^{261340062635235} is an apocalyptic number.

261340062635235 is a deficient number, since it is larger than the sum of its proper divisors (157656525039645).

261340062635235 is a wasteful number, since it uses less digits than its factorization.

261340062635235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11561427.

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 261340062635235 in words is "two hundred sixty-one trillion, three hundred forty billion, sixty-two million, six hundred thirty-five thousand, two hundred thirty-five".