11663731077 has 32 divisors (see below), whose sum is σ = 16741969920. Its totient is φ = 7199691840.

The previous prime is 11663731031. The next prime is 11663731091. The reversal of 11663731077 is 77013736611.

It is not a de Polignac number, because 11663731077 - 2²⁸ = 11395295621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663731007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2196808 + ... + 2202110.

It is an arithmetic number, because the mean of its divisors is an integer number (523186560).

Almost surely, 2^11663731077 is an apocalyptic number.

It is an amenable number.

11663731077 is a deficient number, since it is larger than the sum of its proper divisors (5078238843).

11663731077 is a wasteful number, since it uses less digits than its factorization.

11663731077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193.

The product of its (nonzero) digits is 111132, while the sum is 42.

The spelling of 11663731077 in words is "eleven billion, six hundred sixty-three million, seven hundred thirty-one thousand, seventy-seven".