1131214244345 has 16 divisors (see below), whose sum is σ = 1416505750272. Its totient is φ = 865607223360.

The previous prime is 1131214244269. The next prime is 1131214244351. The reversal of 1131214244345 is 5434424121311.

It is not a de Polignac number, because 1131214244345 - 2⁸ = 1131214244089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10020515 + ... + 10132775.

It is an arithmetic number, because the mean of its divisors is an integer number (88531609392).

Almost surely, 2^{1131214244345} is an apocalyptic number.

It is an amenable number.

1131214244345 is a deficient number, since it is larger than the sum of its proper divisors (285291505927).

1131214244345 is a wasteful number, since it uses less digits than its factorization.

1131214244345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199912.

The product of its digits is 46080, while the sum is 35.

Adding to 1131214244345 its reverse (5434424121311), we get a palindrome (6565638365656).

The spelling of 1131214244345 in words is "one trillion, one hundred thirty-one billion, two hundred fourteen million, two hundred forty-four thousand, three hundred forty-five".