11152157 has 4 divisors (see below), whose sum is σ = 11511936. Its totient is φ = 10792380.

The previous prime is 11152147. The next prime is 11152177. The reversal of 11152157 is 75125111.

11152157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75125111 = 647 ⋅116113.

It is a cyclic number.

It is not a de Polignac number, because 11152157 - 2⁸ = 11151901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11152147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179843 + ... + 179904.

It is an arithmetic number, because the mean of its divisors is an integer number (2877984).

Almost surely, 2^11152157 is an apocalyptic number.

It is an amenable number.

11152157 is a deficient number, since it is larger than the sum of its proper divisors (359779).

11152157 is an equidigital number, since it uses as much as digits as its factorization.

11152157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359778.

The product of its digits is 350, while the sum is 23.

The square root of 11152157 is about 3339.4845410632. The cubic root of 11152157 is about 223.4187537405.

Adding to 11152157 its reverse (75125111), we get a palindrome (86277268).

The spelling of 11152157 in words is "eleven million, one hundred fifty-two thousand, one hundred fifty-seven".