11779622290 has 16 divisors (see below), whose sum is σ = 21776383512. Its totient is φ = 4584501504.

The previous prime is 11779622287. The next prime is 11779622291. The reversal of 11779622290 is 9222697711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9221184729 + 2558437561 = 96027^2 + 50581^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11779622290.

It is not an unprimeable number, because it can be changed into a prime (11779622291) 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, 15918039 + ... + 15918778.

Almost surely, 2^11779622290 is an apocalyptic number.

11779622290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11779622290 is a deficient number, since it is larger than the sum of its proper divisors (9996761222).

11779622290 is a wasteful number, since it uses less digits than its factorization.

11779622290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31836861.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 11779622290 in words is "eleven billion, seven hundred seventy-nine million, six hundred twenty-two thousand, two hundred ninety".