11118722690 has 8 divisors (see below), whose sum is σ = 20013700860. Its totient is φ = 4447489072.

The previous prime is 11118722683. The next prime is 11118722701. The reversal of 11118722690 is 9622781111.

11118722690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11027730169 + 90992521 = 105013^2 + 9539^2 .

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

It is a super-2 number, since 2×11118722690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555936125 + ... + 555936144.

Almost surely, 2^11118722690 is an apocalyptic number.

11118722690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11118722690 is a deficient number, since it is larger than the sum of its proper divisors (8894978170).

11118722690 is a wasteful number, since it uses less digits than its factorization.

11118722690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111872276.

The product of its (nonzero) digits is 12096, while the sum is 38.

The spelling of 11118722690 in words is "eleven billion, one hundred eighteen million, seven hundred twenty-two thousand, six hundred ninety".