11392157 has 12 divisors (see below), whose sum is σ = 13710780. Its totient is φ = 9426816.

The previous prime is 11392151. The next prime is 11392169. The reversal of 11392157 is 75129311.

It can be written as a sum of positive squares in 2 ways, for example, as 6280036 + 5112121 = 2506^2 + 2261^2 .

It is not a de Polignac number, because 11392157 - 2⁴ = 11392141 is a prime.

It is a super-2 number, since 2×11392157² = 259562482225298, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11392151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2588 + ... + 5429.

It is an arithmetic number, because the mean of its divisors is an integer number (1142565).

Almost surely, 2^11392157 is an apocalyptic number.

It is an amenable number.

11392157 is a deficient number, since it is larger than the sum of its proper divisors (2318623).

11392157 is an equidigital number, since it uses as much as digits as its factorization.

11392157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060 (or 8053 counting only the distinct ones).

The product of its digits is 1890, while the sum is 29.

The square root of 11392157 is about 3375.2269553320. The cubic root of 11392157 is about 225.0100867906.

The spelling of 11392157 in words is "eleven million, three hundred ninety-two thousand, one hundred fifty-seven".