13056261695 has 16 divisors (see below), whose sum is σ = 15786811872. Its totient is φ = 10365667200.

The previous prime is 13056261679. The next prime is 13056261721. The reversal of 13056261695 is 59616265031.

It is a Cunningham number, because it is equal to 114264²-1.

It is not a de Polignac number, because 13056261695 - 2⁴ = 13056261679 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 559889 + ... + 582741.

It is an arithmetic number, because the mean of its divisors is an integer number (986675742).

Almost surely, 2^13056261695 is an apocalyptic number.

13056261695 is a deficient number, since it is larger than the sum of its proper divisors (2730550177).

13056261695 is a wasteful number, since it uses less digits than its factorization.

13056261695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23722.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 13056261695 in words is "thirteen billion, fifty-six million, two hundred sixty-one thousand, six hundred ninety-five".