11444255451 has 16 divisors (see below), whose sum is σ = 16957570720. Its totient is φ = 7628100480.

The previous prime is 11444255419. The next prime is 11444255453. The reversal of 11444255451 is 15455244411.

11444255451 is a `hidden beast` number, since 1 + 14 + 4 + 42 + 554 + 51 = 666.

It is not a de Polignac number, because 11444255451 - 2⁵ = 11444255419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11444255453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122751 + ... + 194823.

It is an arithmetic number, because the mean of its divisors is an integer number (1059848170).

Almost surely, 2^11444255451 is an apocalyptic number.

11444255451 is a deficient number, since it is larger than the sum of its proper divisors (5513315269).

11444255451 is an equidigital number, since it uses as much as digits as its factorization.

11444255451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77963 (or 77957 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

Adding to 11444255451 its reverse (15455244411), we get a palindrome (26899499862).

The spelling of 11444255451 in words is "eleven billion, four hundred forty-four million, two hundred fifty-five thousand, four hundred fifty-one".