11255121146455 has 4 divisors (see below), whose sum is σ = 13506145375752. Its totient is φ = 9004096917160.

The previous prime is 11255121146453. The next prime is 11255121146539. The reversal of 11255121146455 is 55464112155211.

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

It is not a de Polignac number, because 11255121146455 - 2¹ = 11255121146453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11255121146453) 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, 1125512114641 + ... + 1125512114650.

It is an arithmetic number, because the mean of its divisors is an integer number (3376536343938).

Almost surely, 2^{11255121146455} is an apocalyptic number.

11255121146455 is a deficient number, since it is larger than the sum of its proper divisors (2251024229297).

11255121146455 is an equidigital number, since it uses as much as digits as its factorization.

11255121146455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251024229296.

The product of its digits is 240000, while the sum is 43.

The spelling of 11255121146455 in words is "eleven trillion, two hundred fifty-five billion, one hundred twenty-one million, one hundred forty-six thousand, four hundred fifty-five".