11311087639 has 8 divisors (see below), whose sum is σ = 11351975040. Its totient is φ = 11270265600.

The previous prime is 11311087561. The next prime is 11311087643. The reversal of 11311087639 is 93678011311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11311087639 - 2²⁵ = 11277533207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311087679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344634 + ... + 376024.

It is an arithmetic number, because the mean of its divisors is an integer number (1418996880).

Almost surely, 2^11311087639 is an apocalyptic number.

11311087639 is a deficient number, since it is larger than the sum of its proper divisors (40887401).

11311087639 is an equidigital number, since it uses as much as digits as its factorization.

11311087639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32681.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 11311087639 in words is "eleven billion, three hundred eleven million, eighty-seven thousand, six hundred thirty-nine".