260953880865 has 16 divisors (see below), whose sum is σ = 431923665600. Its totient is φ = 134376251072.

The previous prime is 260953880849. The next prime is 260953880903. The reversal of 260953880865 is 568088359062.

It is a cyclic number.

It is not a de Polignac number, because 260953880865 - 2⁴ = 260953880849 is a prime.

It is a super-2 number, since 2×260953880865² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260953880799 and 260953880808.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299946555 + ... + 299947424.

It is an arithmetic number, because the mean of its divisors is an integer number (26995229100).

Almost surely, 2^260953880865 is an apocalyptic number.

It is an amenable number.

260953880865 is a deficient number, since it is larger than the sum of its proper divisors (170969784735).

260953880865 is a wasteful number, since it uses less digits than its factorization.

260953880865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599894016.

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 260953880865 in words is "two hundred sixty billion, nine hundred fifty-three million, eight hundred eighty thousand, eight hundred sixty-five".