1131454322244 has 72 divisors (see below), whose sum is σ = 3024333312000. Its totient is φ = 356083171200.

The previous prime is 1131454322161. The next prime is 1131454322249. The reversal of 1131454322244 is 4422234541311.

1131454322244 is a `hidden beast` number, since 1 + 131 + 454 + 32 + 2 + 2 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1131454322199 and 1131454322208.

It is not an unprimeable number, because it can be changed into a prime (1131454322249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12318244 + ... + 12409755.

Almost surely, 2^{1131454322244} is an apocalyptic number.

It is an amenable number.

1131454322244 is an abundant number, since it is smaller than the sum of its proper divisors (1892878989756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131454322244 is a wasteful number, since it uses less digits than its factorization.

1131454322244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24728081 (or 24728076 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

Adding to 1131454322244 its reverse (4422234541311), we get a palindrome (5553688863555).

The spelling of 1131454322244 in words is "one trillion, one hundred thirty-one billion, four hundred fifty-four million, three hundred twenty-two thousand, two hundred forty-four".