11481955 has 8 divisors (see below), whose sum is σ = 13856400. Its totient is φ = 9133536.

The previous prime is 11481929. The next prime is 11481961. The reversal of 11481955 is 55918411.

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 11481955 - 2⁵ = 11481923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11481955.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5520 + ... + 7309.

It is an arithmetic number, because the mean of its divisors is an integer number (1732050).

Almost surely, 2^11481955 is an apocalyptic number.

11481955 is a deficient number, since it is larger than the sum of its proper divisors (2374445).

11481955 is a wasteful number, since it uses less digits than its factorization.

11481955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13013.

The product of its digits is 7200, while the sum is 34.

The square root of 11481955 is about 3388.5033569409. The cubic root of 11481955 is about 225.5997497084.

The spelling of 11481955 in words is "eleven million, four hundred eighty-one thousand, nine hundred fifty-five".