11810677805 has 16 divisors (see below), whose sum is σ = 14479864560. Its totient is φ = 9246031872.

The previous prime is 11810677793. The next prime is 11810677831. The reversal of 11810677805 is 50877601811.

It can be written as a sum of positive squares in 8 ways, for example, as 2281208644 + 9529469161 = 47762^2 + 97619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11810677805 is a prime.

It is a super-2 number, since 2×11810677805² (a number of 21 digits) contains 22 as substring.

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, 93644 + ... + 179973.

It is an arithmetic number, because the mean of its divisors is an integer number (904991535).

Almost surely, 2^11810677805 is an apocalyptic number.

It is an amenable number.

11810677805 is a deficient number, since it is larger than the sum of its proper divisors (2669186755).

11810677805 is an equidigital number, since it uses as much as digits as its factorization.

11810677805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273808.

The product of its (nonzero) digits is 94080, while the sum is 44.

The spelling of 11810677805 in words is "eleven billion, eight hundred ten million, six hundred seventy-seven thousand, eight hundred five".