11273157 has 12 divisors (see below), whose sum is σ = 18609760. Its totient is φ = 6441768.

The previous prime is 11273149. The next prime is 11273161. The reversal of 11273157 is 75137211.

It is a happy number.

11273157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11273157 - 2³ = 11273149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11273157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11273147) 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, 89407 + ... + 89532.

Almost surely, 2^11273157 is an apocalyptic number.

It is an amenable number.

11273157 is a deficient number, since it is larger than the sum of its proper divisors (7336603).

11273157 is a wasteful number, since it uses less digits than its factorization.

11273157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178952 (or 178949 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 11273157 is about 3357.5522333986. The cubic root of 11273157 is about 224.2238740196.

The spelling of 11273157 in words is "eleven million, two hundred seventy-three thousand, one hundred fifty-seven".