11915148 has 48 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 3361344.

The previous prime is 11915119. The next prime is 11915159. The reversal of 11915148 is 84151911.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6118 + ... + 7826.

It is an arithmetic number, because the mean of its divisors is an integer number (670320).

Almost surely, 2^11915148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11915148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16087680).

11915148 is an abundant number, since it is smaller than the sum of its proper divisors (20260212).

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

11915148 is a wasteful number, since it uses less digits than its factorization.

11915148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1804 counting only the distinct ones).

The product of its digits is 1440, while the sum is 30.

The square root of 11915148 is about 3451.8325567733. The cubic root of 11915148 is about 228.4019533164.

The spelling of 11915148 in words is "eleven million, nine hundred fifteen thousand, one hundred forty-eight".