11131948 has 24 divisors (see below), whose sum is σ = 20805120. Its totient is φ = 5196240.

The previous prime is 11131927. The next prime is 11131979. The reversal of 11131948 is 84913111.

11131948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4365 + ... + 6427.

It is an arithmetic number, because the mean of its divisors is an integer number (866880).

Almost surely, 2^11131948 is an apocalyptic number.

It is an amenable number.

11131948 is a deficient number, since it is larger than the sum of its proper divisors (9673172).

11131948 is a wasteful number, since it uses less digits than its factorization.

11131948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 2155 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 11131948 is about 3336.4574026953. The cubic root of 11131948 is about 223.2837185893.

The spelling of 11131948 in words is "eleven million, one hundred thirty-one thousand, nine hundred forty-eight".