1142525444461 has 4 divisors (see below), whose sum is σ = 1142565200800. Its totient is φ = 1142485688124.

The previous prime is 1142525444453. The next prime is 1142525444497. The reversal of 1142525444461 is 1644445252411.

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.

It is a cyclic number.

It is not a de Polignac number, because 1142525444461 - 2³ = 1142525444453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142525444441) 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, 19835031 + ... + 19892548.

It is an arithmetic number, because the mean of its divisors is an integer number (285641300200).

Almost surely, 2^{1142525444461} is an apocalyptic number.

It is an amenable number.

1142525444461 is a deficient number, since it is larger than the sum of its proper divisors (39756339).

1142525444461 is an equidigital number, since it uses as much as digits as its factorization.

1142525444461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39756338.

The product of its digits is 614400, while the sum is 43.

The spelling of 1142525444461 in words is "one trillion, one hundred forty-two billion, five hundred twenty-five million, four hundred forty-four thousand, four hundred sixty-one".