11531094 has 8 divisors (see below), whose sum is σ = 23062200. Its totient is φ = 3843696.

The previous prime is 11531059. The next prime is 11531099. The reversal of 11531094 is 49013511.

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

11531094 is an admirable number.

It is a super-2 number, since 2×11531094² = 265932257673672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11531099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960919 + ... + 960930.

It is an arithmetic number, because the mean of its divisors is an integer number (2882775).

Almost surely, 2^11531094 is an apocalyptic number.

11531094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11531094 is a wasteful number, since it uses less digits than its factorization.

11531094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921854.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 11531094 is about 3395.7464569664. The cubic root of 11531094 is about 225.9211226553.

The spelling of 11531094 in words is "eleven million, five hundred thirty-one thousand, ninety-four".