11157938 has 16 divisors (see below), whose sum is σ = 18373824. Its totient is φ = 5039760.

The previous prime is 11157919. The next prime is 11157943. The reversal of 11157938 is 83975111.

It is a junction number, because it is equal to n+sod(n) for n = 11157898 and 11157907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2156 + ... + 5192.

It is an arithmetic number, because the mean of its divisors is an integer number (1148364).

Almost surely, 2^11157938 is an apocalyptic number.

11157938 is a deficient number, since it is larger than the sum of its proper divisors (7215886).

11157938 is a wasteful number, since it uses less digits than its factorization.

11157938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217.

The product of its digits is 7560, while the sum is 35.

The square root of 11157938 is about 3340.3499816636. The cubic root of 11157938 is about 223.4573519747.

The spelling of 11157938 in words is "eleven million, one hundred fifty-seven thousand, nine hundred thirty-eight".