11458881 has 32 divisors (see below), whose sum is σ = 20428800. Its totient is φ = 6201360.

The previous prime is 11458879. The next prime is 11458907. The reversal of 11458881 is 18885411.

It is a happy number.

11458881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11458881 - 2¹ = 11458879 is a prime.

It is a super-2 number, since 2×11458881² = 262611907544322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11458801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1996 + ... + 5186.

It is an arithmetic number, because the mean of its divisors is an integer number (638400).

Almost surely, 2^11458881 is an apocalyptic number.

It is an amenable number.

11458881 is a deficient number, since it is larger than the sum of its proper divisors (8969919).

11458881 is a wasteful number, since it uses less digits than its factorization.

11458881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226 (or 3220 counting only the distinct ones).

The product of its digits is 10240, while the sum is 36.

The square root of 11458881 is about 3385.0968966929. The cubic root of 11458881 is about 225.4485275084.

The spelling of 11458881 in words is "eleven million, four hundred fifty-eight thousand, eight hundred eighty-one".