11255155 has 4 divisors (see below), whose sum is σ = 13506192. Its totient is φ = 9004120.

The previous prime is 11255149. The next prime is 11255177. The reversal of 11255155 is 55155211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55155211 = 127 ⋅434293.

It is not a de Polignac number, because 11255155 - 2¹¹ = 11253107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125511 + ... + 1125520.

It is an arithmetic number, because the mean of its divisors is an integer number (3376548).

Almost surely, 2^11255155 is an apocalyptic number.

11255155 is a deficient number, since it is larger than the sum of its proper divisors (2251037).

11255155 is an equidigital number, since it uses as much as digits as its factorization.

11255155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251036.

The product of its digits is 1250, while the sum is 25.

The square root of 11255155 is about 3354.8703402665. The cubic root of 11255155 is about 224.1044567557.

The spelling of 11255155 in words is "eleven million, two hundred fifty-five thousand, one hundred fifty-five".