11022865427 has 4 divisors (see below), whose sum is σ = 12597560496. Its totient is φ = 9448170360.

The previous prime is 11022865423. The next prime is 11022865489. The reversal of 11022865427 is 72456822011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11022865427 - 2² = 11022865423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022865423) 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, 787347524 + ... + 787347537.

It is an arithmetic number, because the mean of its divisors is an integer number (3149390124).

Almost surely, 2^11022865427 is an apocalyptic number.

11022865427 is a deficient number, since it is larger than the sum of its proper divisors (1574695069).

11022865427 is an equidigital number, since it uses as much as digits as its factorization.

11022865427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574695068.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 11022865427 in words is "eleven billion, twenty-two million, eight hundred sixty-five thousand, four hundred twenty-seven".