11878158 has 16 divisors (see below), whose sum is σ = 24091776. Its totient is φ = 3903480.

The previous prime is 11878133. The next prime is 11878171. The reversal of 11878158 is 85187811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13516 + ... + 14367.

It is an arithmetic number, because the mean of its divisors is an integer number (1505736).

Almost surely, 2^11878158 is an apocalyptic number.

11878158 is an abundant number, since it is smaller than the sum of its proper divisors (12213618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11878158 is a wasteful number, since it uses less digits than its factorization.

11878158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27959.

The product of its digits is 17920, while the sum is 39.

The square root of 11878158 is about 3446.4703683624. The cubic root of 11878158 is about 228.1653540421.

The spelling of 11878158 in words is "eleven million, eight hundred seventy-eight thousand, one hundred fifty-eight".