1143104245525 has 36 divisors (see below), whose sum is σ = 1566096201796. Its totient is φ = 827040614400.

The previous prime is 1143104245483. The next prime is 1143104245529. The reversal of 1143104245525 is 5255424013411.

It can be written as a sum of positive squares in 6 ways, for example, as 62223805809 + 1080880439716 = 249447^2 + 1039654^2 .

It is not a de Polignac number, because 1143104245525 - 2⁷ = 1143104245397 is a prime.

It is a super-2 number, since 2×1143104245525² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143104245529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 395154 + ... + 1562803.

Almost surely, 2^{1143104245525} is an apocalyptic number.

It is an amenable number.

1143104245525 is a deficient number, since it is larger than the sum of its proper divisors (422991956271).

1143104245525 is a wasteful number, since it uses less digits than its factorization.

1143104245525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958182 (or 1958166 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 1143104245525 its reverse (5255424013411), we get a palindrome (6398528258936).

The spelling of 1143104245525 in words is "one trillion, one hundred forty-three billion, one hundred four million, two hundred forty-five thousand, five hundred twenty-five".