11117727620 has 12 divisors (see below), whose sum is σ = 23347228044. Its totient is φ = 4447091040.

The previous prime is 11117727619. The next prime is 11117727629. The reversal of 11117727620 is 2672771111.

It can be written as a sum of positive squares in 2 ways, for example, as 7840394116 + 3277333504 = 88546^2 + 57248^2 .

It is not an unprimeable number, because it can be changed into a prime (11117727629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277943171 + ... + 277943210.

It is an arithmetic number, because the mean of its divisors is an integer number (1945602337).

Almost surely, 2^11117727620 is an apocalyptic number.

11117727620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11117727620 is an abundant number, since it is smaller than the sum of its proper divisors (12229500424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11117727620 is a wasteful number, since it uses less digits than its factorization.

11117727620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555886390 (or 555886388 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 35.

The spelling of 11117727620 in words is "eleven billion, one hundred seventeen million, seven hundred twenty-seven thousand, six hundred twenty".