11255353015 has 4 divisors (see below), whose sum is σ = 13506423624. Its totient is φ = 9004282408.

The previous prime is 11255352989. The next prime is 11255353027. The reversal of 11255353015 is 51035355211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51035355211 = 31 ⋅1646301781.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11255353015 is a prime.

It is a super-4 number, since 4×11255353015⁴ (a number of 41 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (31) 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125535297 + ... + 1125535306.

It is an arithmetic number, because the mean of its divisors is an integer number (3376605906).

Almost surely, 2^11255353015 is an apocalyptic number.

11255353015 is a deficient number, since it is larger than the sum of its proper divisors (2251070609).

11255353015 is an equidigital number, since it uses as much as digits as its factorization.

11255353015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251070608.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 11255353015 in words is "eleven billion, two hundred fifty-five million, three hundred fifty-three thousand, fifteen".