56126531141 has 4 divisors (see below), whose sum is σ = 56333640384. Its totient is φ = 55919421900.

The previous prime is 56126531119. The next prime is 56126531147. The reversal of 56126531141 is 14113562165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14113562165 = 5 ⋅2822712433.

It is a cyclic number.

It is not a de Polignac number, because 56126531141 - 2¹⁸ = 56126268997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56126531147) 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 3 ways as a sum of consecutive naturals, for example, 103554215 + ... + 103554756.

It is an arithmetic number, because the mean of its divisors is an integer number (14083410096).

Almost surely, 2^56126531141 is an apocalyptic number.

It is an amenable number.

56126531141 is a deficient number, since it is larger than the sum of its proper divisors (207109243).

56126531141 is a wasteful number, since it uses less digits than its factorization.

56126531141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207109242.

The product of its digits is 21600, while the sum is 35.

The spelling of 56126531141 in words is "fifty-six billion, one hundred twenty-six million, five hundred thirty-one thousand, one hundred forty-one".