11378131 has 8 divisors (see below), whose sum is σ = 12019280. Its totient is φ = 10741248.

The previous prime is 11378113. The next prime is 11378137. The reversal of 11378131 is 13187311.

11378131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11378131 - 2⁵ = 11378099 is a prime.

It is a super-2 number, since 2×11378131² = 258923730106322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11378096 and 11378105.

It is not an unprimeable number, because it can be changed into a prime (11378137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5515 + ... + 7291.

It is an arithmetic number, because the mean of its divisors is an integer number (1502410).

Almost surely, 2^11378131 is an apocalyptic number.

11378131 is a deficient number, since it is larger than the sum of its proper divisors (641149).

11378131 is a wasteful number, since it uses less digits than its factorization.

11378131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133.

The product of its digits is 504, while the sum is 25.

The square root of 11378131 is about 3373.1485291935. The cubic root of 11378131 is about 224.9177048832.

The spelling of 11378131 in words is "eleven million, three hundred seventy-eight thousand, one hundred thirty-one".