11157916 has 48 divisors (see below), whose sum is σ = 25788672. Its totient is φ = 4089600.

The previous prime is 11157889. The next prime is 11157917. The reversal of 11157916 is 61975111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11157917) 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, 4171 + ... + 6301.

It is an arithmetic number, because the mean of its divisors is an integer number (537264).

Almost surely, 2^11157916 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 11157916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12894336).

11157916 is an abundant number, since it is smaller than the sum of its proper divisors (14630756).

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

11157916 is a wasteful number, since it uses less digits than its factorization.

11157916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170 (or 2168 counting only the distinct ones).

The product of its digits is 1890, while the sum is 31.

The square root of 11157916 is about 3340.3466885939. The cubic root of 11157916 is about 223.4572051117.

The spelling of 11157916 in words is "eleven million, one hundred fifty-seven thousand, nine hundred sixteen".