11157888 has 96 divisors (see below), whose sum is σ = 34535160. Its totient is φ = 3182592.

The previous prime is 11157877. The next prime is 11157889. The reversal of 11157888 is 88875111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11157889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18520 + ... + 19112.

Almost surely, 2^11157888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11157888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17267580).

11157888 is an abundant number, since it is smaller than the sum of its proper divisors (23377272).

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

11157888 is an equidigital number, since it uses as much as digits as its factorization.

11157888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 605 counting only the distinct ones).

The product of its digits is 17920, while the sum is 39.

The square root of 11157888 is about 3340.3424974095. The cubic root of 11157888 is about 223.4570181949.

The spelling of 11157888 in words is "eleven million, one hundred fifty-seven thousand, eight hundred eighty-eight".