11156157 has 16 divisors (see below), whose sum is σ = 16695360. Its totient is φ = 7362000.

The previous prime is 11156149. The next prime is 11156161. The reversal of 11156157 is 75165111.

It is a happy number.

It is not a de Polignac number, because 11156157 - 2³ = 11156149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11156157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11156137) 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, 682 + ... + 4772.

It is an arithmetic number, because the mean of its divisors is an integer number (1043460).

Almost surely, 2^11156157 is an apocalyptic number.

It is an amenable number.

11156157 is a deficient number, since it is larger than the sum of its proper divisors (5539203).

11156157 is a wasteful number, since it uses less digits than its factorization.

11156157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201 (or 4195 counting only the distinct ones).

The product of its digits is 1050, while the sum is 27.

The square root of 11156157 is about 3340.0833821927. The cubic root of 11156157 is about 223.4454621219.

The spelling of 11156157 in words is "eleven million, one hundred fifty-six thousand, one hundred fifty-seven".