11339799887 has 16 divisors (see below), whose sum is σ = 12891348960. Its totient is φ = 9888417792.

The previous prime is 11339799883. The next prime is 11339799929. The reversal of 11339799887 is 78899793311.

It is a cyclic number.

It is not a de Polignac number, because 11339799887 - 2² = 11339799883 is a prime.

It is a super-2 number, since 2×11339799887² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11339799883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22163 + ... + 152219.

It is an arithmetic number, because the mean of its divisors is an integer number (805709310).

Almost surely, 2^11339799887 is an apocalyptic number.

11339799887 is a deficient number, since it is larger than the sum of its proper divisors (1551549073).

11339799887 is a wasteful number, since it uses less digits than its factorization.

11339799887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130442.

The product of its digits is 20575296, while the sum is 65.

The spelling of 11339799887 in words is "eleven billion, three hundred thirty-nine million, seven hundred ninety-nine thousand, eight hundred eighty-seven".