11218807492 has 24 divisors (see below), whose sum is σ = 19762993152. Its totient is φ = 5572320000.

The previous prime is 11218807477. The next prime is 11218807493. The reversal of 11218807492 is 29470881211.

It is not an unprimeable number, because it can be changed into a prime (11218807493) 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, 563988 + ... + 583540.

It is an arithmetic number, because the mean of its divisors is an integer number (823458048).

Almost surely, 2^11218807492 is an apocalyptic number.

It is an amenable number.

11218807492 is a deficient number, since it is larger than the sum of its proper divisors (8544185660).

11218807492 is a wasteful number, since it uses less digits than its factorization.

11218807492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20499 (or 20497 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 11218807492 in words is "eleven billion, two hundred eighteen million, eight hundred seven thousand, four hundred ninety-two".