11122711660 has 24 divisors (see below), whose sum is σ = 23432332896. Its totient is φ = 4434867840.

The previous prime is 11122711631. The next prime is 11122711661. The reversal of 11122711660 is 6611722111.

It is not an unprimeable number, because it can be changed into a prime (11122711661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882136 + ... + 894655.

It is an arithmetic number, because the mean of its divisors is an integer number (976347204).

Almost surely, 2^11122711660 is an apocalyptic number.

11122711660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122711660 is an abundant number, since it is smaller than the sum of its proper divisors (12309621236).

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

11122711660 is a wasteful number, since it uses less digits than its factorization.

11122711660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777113 (or 1777111 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 11122711660 in words is "eleven billion, one hundred twenty-two million, seven hundred eleven thousand, six hundred sixty".