11261607705 has 24 divisors (see below), whose sum is σ = 20547496320. Its totient is φ = 5690075040.

The previous prime is 11261607689. The next prime is 11261607757. The reversal of 11261607705 is 50770616211.

It is not a de Polignac number, because 11261607705 - 2⁴ = 11261607689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11261607705.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6584881 + ... + 6586590.

It is an arithmetic number, because the mean of its divisors is an integer number (856145680).

Almost surely, 2^11261607705 is an apocalyptic number.

11261607705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11261607705 is a deficient number, since it is larger than the sum of its proper divisors (9285888615).

11261607705 is a wasteful number, since it uses less digits than its factorization.

11261607705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13171501 (or 13171498 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 11261607705 in words is "eleven billion, two hundred sixty-one million, six hundred seven thousand, seven hundred five".