11189157 has 32 divisors (see below), whose sum is σ = 18585600. Its totient is φ = 5842368.

The previous prime is 11189131. The next prime is 11189183. The reversal of 11189157 is 75198111.

It is an interprime number because it is at equal distance from previous prime (11189131) and next prime (11189183).

It is not a de Polignac number, because 11189157 - 2⁶ = 11189093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11189117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11088 + ... + 12054.

It is an arithmetic number, because the mean of its divisors is an integer number (580800).

Almost surely, 2^11189157 is an apocalyptic number.

It is an amenable number.

11189157 is a deficient number, since it is larger than the sum of its proper divisors (7396443).

11189157 is a wasteful number, since it uses less digits than its factorization.

11189157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025.

The product of its digits is 2520, while the sum is 33.

The square root of 11189157 is about 3345.0197308835. The cubic root of 11189157 is about 223.6655630547.

The spelling of 11189157 in words is "eleven million, one hundred eighty-nine thousand, one hundred fifty-seven".