11611700765 has 48 divisors (see below), whose sum is σ = 16988160000. Its totient is φ = 7615526688.

The previous prime is 11611700759. The next prime is 11611700773. The reversal of 11611700765 is 56700711611.

It is not a de Polignac number, because 11611700765 - 2⁶ = 11611700701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 900836 + ... + 913634.

It is an arithmetic number, because the mean of its divisors is an integer number (353920000).

Almost surely, 2^11611700765 is an apocalyptic number.

It is an amenable number.

11611700765 is a deficient number, since it is larger than the sum of its proper divisors (5376459235).

11611700765 is an equidigital number, since it uses as much as digits as its factorization.

11611700765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12871 (or 12834 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 35.

The spelling of 11611700765 in words is "eleven billion, six hundred eleven million, seven hundred thousand, seven hundred sixty-five".