11089252891 has 16 divisors (see below), whose sum is σ = 11882052000. Its totient is φ = 10317888000.

The previous prime is 11089252877. The next prime is 11089252939. The reversal of 11089252891 is 19825298011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11089252891 - 2⁵ = 11089252859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11089252861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805635 + ... + 819283.

It is an arithmetic number, because the mean of its divisors is an integer number (742628250).

Almost surely, 2^11089252891 is an apocalyptic number.

11089252891 is a deficient number, since it is larger than the sum of its proper divisors (792799109).

11089252891 is a wasteful number, since it uses less digits than its factorization.

11089252891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14430.

The product of its (nonzero) digits is 103680, while the sum is 46.

The spelling of 11089252891 in words is "eleven billion, eighty-nine million, two hundred fifty-two thousand, eight hundred ninety-one".