11381683765 has 16 divisors (see below), whose sum is σ = 13755184128. Its totient is φ = 9040694656.

The previous prime is 11381683673. The next prime is 11381683771. The reversal of 11381683765 is 56738618311.

It is a cyclic number.

It is not a de Polignac number, because 11381683765 - 2²⁵ = 11348129333 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, 788604 + ... + 802906.

It is an arithmetic number, because the mean of its divisors is an integer number (859699008).

Almost surely, 2^11381683765 is an apocalyptic number.

It is an amenable number.

11381683765 is a deficient number, since it is larger than the sum of its proper divisors (2373500363).

11381683765 is a wasteful number, since it uses less digits than its factorization.

11381683765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15428.

The product of its digits is 725760, while the sum is 49.

The spelling of 11381683765 in words is "eleven billion, three hundred eighty-one million, six hundred eighty-three thousand, seven hundred sixty-five".