11137442 has 4 divisors (see below), whose sum is σ = 16706166. Its totient is φ = 5568720.

The previous prime is 11137409. The next prime is 11137453. The reversal of 11137442 is 24473111.

It is a happy number.

11137442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6806881 + 4330561 = 2609^2 + 2081^2 .

It is a super-2 number, since 2×11137442² = 248085228606728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2784359 + ... + 2784362.

Almost surely, 2^11137442 is an apocalyptic number.

11137442 is a deficient number, since it is larger than the sum of its proper divisors (5568724).

11137442 is an equidigital number, since it uses as much as digits as its factorization.

11137442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568723.

The product of its digits is 672, while the sum is 23.

The square root of 11137442 is about 3337.2806294946. The cubic root of 11137442 is about 223.3204452848.

The spelling of 11137442 in words is "eleven million, one hundred thirty-seven thousand, four hundred forty-two".