11862157 has 2 divisors, whose sum is σ = 11862158. Its totient is φ = 11862156.

The previous prime is 11862083. The next prime is 11862167. The reversal of 11862157 is 75126811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9126441 + 2735716 = 3021^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 11862157 - 2⁷ = 11862029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11862167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5931078 + 5931079.

It is an arithmetic number, because the mean of its divisors is an integer number (5931079).

Almost surely, 2^11862157 is an apocalyptic number.

It is an amenable number.

11862157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11862157 is an equidigital number, since it uses as much as digits as its factorization.

11862157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 31.

The square root of 11862157 is about 3444.1482256140. The cubic root of 11862157 is about 228.0628545801.

Adding to 11862157 its reverse (75126811), we get a palindrome (86988968).

The spelling of 11862157 in words is "eleven million, eight hundred sixty-two thousand, one hundred fifty-seven".