11100440131 has 16 divisors (see below), whose sum is σ = 12182686848. Its totient is φ = 10030507200.

The previous prime is 11100440083. The next prime is 11100440149. The reversal of 11100440131 is 13104400111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100440131 is a prime.

It is a super-2 number, since 2×11100440131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100440191) 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, 2102511 + ... + 2107783.

It is an arithmetic number, because the mean of its divisors is an integer number (761417928).

Almost surely, 2^11100440131 is an apocalyptic number.

11100440131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11100440131 is a deficient number, since it is larger than the sum of its proper divisors (1082246717).

11100440131 is a wasteful number, since it uses less digits than its factorization.

11100440131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11100440131 its reverse (13104400111), we get a palindrome (24204840242).

The spelling of 11100440131 in words is "eleven billion, one hundred million, four hundred forty thousand, one hundred thirty-one".