1043251111325 has 12 divisors (see below), whose sum is σ = 1294316260020. Its totient is φ = 834159029760.

The previous prime is 1043251111193. The next prime is 1043251111387. The reversal of 1043251111325 is 5231111523401.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 27757559236 + 1015493552089 = 166606^2 + 1007717^2 .

It is not a de Polignac number, because 1043251111325 - 2¹⁰ = 1043251110301 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10998314 + ... + 11092763.

It is an arithmetic number, because the mean of its divisors is an integer number (107859688335).

Almost surely, 2^{1043251111325} is an apocalyptic number.

It is an amenable number.

1043251111325 is a deficient number, since it is larger than the sum of its proper divisors (251065148695).

1043251111325 is a wasteful number, since it uses less digits than its factorization.

1043251111325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22092976 (or 22092971 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 1043251111325 its reverse (5231111523401), we get a palindrome (6274362634726).

The spelling of 1043251111325 in words is "one trillion, forty-three billion, two hundred fifty-one million, one hundred eleven thousand, three hundred twenty-five".