141562643861 has 4 divisors (see below), whose sum is σ = 142353496800. Its totient is φ = 140771790924.

The previous prime is 141562643809. The next prime is 141562643867. The reversal of 141562643861 is 168346265141.

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 141562643861 - 2¹⁸ = 141562381717 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 (141562643867) 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, 395426201 + ... + 395426558.

It is an arithmetic number, because the mean of its divisors is an integer number (35588374200).

Almost surely, 2^141562643861 is an apocalyptic number.

It is an amenable number.

141562643861 is a deficient number, since it is larger than the sum of its proper divisors (790852939).

141562643861 is an equidigital number, since it uses as much as digits as its factorization.

141562643861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790852938.

The product of its digits is 829440, while the sum is 47.

The spelling of 141562643861 in words is "one hundred forty-one billion, five hundred sixty-two million, six hundred forty-three thousand, eight hundred sixty-one".