1125254324413 has 4 divisors (see below), whose sum is σ = 1125310921020. Its totient is φ = 1125197727808.

The previous prime is 1125254324407. The next prime is 1125254324477. The reversal of 1125254324413 is 3144234525211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1031601799684 + 93652524729 = 1015678^2 + 306027^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125254324413 - 2¹⁷ = 1125254193341 is a prime.

It is a super-2 number, since 2×1125254324413² (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 (1125254325413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28268470 + ... + 28308247.

It is an arithmetic number, because the mean of its divisors is an integer number (281327730255).

Almost surely, 2^{1125254324413} is an apocalyptic number.

It is an amenable number.

1125254324413 is a deficient number, since it is larger than the sum of its proper divisors (56596607).

1125254324413 is an equidigital number, since it uses as much as digits as its factorization.

1125254324413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56596606.

The product of its digits is 115200, while the sum is 37.

Adding to 1125254324413 its reverse (3144234525211), we get a palindrome (4269488849624).

The spelling of 1125254324413 in words is "one trillion, one hundred twenty-five billion, two hundred fifty-four million, three hundred twenty-four thousand, four hundred thirteen".