11776040639 has 4 divisors (see below), whose sum is σ = 12846589800. Its totient is φ = 10705491480.

The previous prime is 11776040603. The next prime is 11776040669. The reversal of 11776040639 is 93604067711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11776040639 - 2²⁰ = 11774992063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11776040639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11776040669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535274564 + ... + 535274585.

It is an arithmetic number, because the mean of its divisors is an integer number (3211647450).

Almost surely, 2^11776040639 is an apocalyptic number.

11776040639 is a deficient number, since it is larger than the sum of its proper divisors (1070549161).

11776040639 is a wasteful number, since it uses less digits than its factorization.

11776040639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070549160.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 11776040639 in words is "eleven billion, seven hundred seventy-six million, forty thousand, six hundred thirty-nine".