11137438 has 24 divisors (see below), whose sum is σ = 18354168. Its totient is φ = 5065632.

The previous prime is 11137409. The next prime is 11137453. The reversal of 11137438 is 83473111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27856 + ... + 28252.

It is an arithmetic number, because the mean of its divisors is an integer number (764757).

Almost surely, 2^11137438 is an apocalyptic number.

11137438 is a deficient number, since it is larger than the sum of its proper divisors (7216730).

11137438 is a wasteful number, since it uses less digits than its factorization.

11137438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 495 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 11137438 is about 3337.2800302042. The cubic root of 11137438 is about 223.3204185497.

The spelling of 11137438 in words is "eleven million, one hundred thirty-seven thousand, four hundred thirty-eight".