11899255 has 4 divisors (see below), whose sum is σ = 14279112. Its totient is φ = 9519400.

The previous prime is 11899249. The next prime is 11899259. The reversal of 11899255 is 55299811.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11899255 - 2¹⁵ = 11866487 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899259) 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, 1189921 + ... + 1189930.

It is an arithmetic number, because the mean of its divisors is an integer number (3569778).

Almost surely, 2^11899255 is an apocalyptic number.

11899255 is a deficient number, since it is larger than the sum of its proper divisors (2379857).

11899255 is an equidigital number, since it uses as much as digits as its factorization.

11899255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379856.

The product of its digits is 32400, while the sum is 40.

The square root of 11899255 is about 3449.5296780866. The cubic root of 11899255 is about 228.3003569453.

The spelling of 11899255 in words is "eleven million, eight hundred ninety-nine thousand, two hundred fifty-five".