11948157 has 12 divisors (see below), whose sum is σ = 18586204. Its totient is φ = 7352640.

The previous prime is 11948147. The next prime is 11948221. The reversal of 11948157 is 75184911.

It can be written as a sum of positive squares in 2 ways, for example, as 799236 + 11148921 = 894^2 + 3339^2 .

It is not a de Polignac number, because 11948157 - 2⁴ = 11948141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11948137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50944 + ... + 51177.

Almost surely, 2^11948157 is an apocalyptic number.

It is an amenable number.

11948157 is a deficient number, since it is larger than the sum of its proper divisors (6638047).

11948157 is a wasteful number, since it uses less digits than its factorization.

11948157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102140 (or 102137 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 11948157 is about 3456.6106231394. The cubic root of 11948157 is about 228.6126757965.

The spelling of 11948157 in words is "eleven million, nine hundred forty-eight thousand, one hundred fifty-seven".