141578262207221 has 64 divisors (see below), whose sum is σ = 172805741936640. Its totient is φ = 113230158612480.

The previous prime is 141578262207143. The next prime is 141578262207227. The reversal of 141578262207221 is 122702262875141.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-141578262207221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141578262207221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141578262207227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7361971676 + ... + 7361990906.

It is an arithmetic number, because the mean of its divisors is an integer number (2700089717760).

Almost surely, 2^{141578262207221} is an apocalyptic number.

It is an amenable number.

141578262207221 is a deficient number, since it is larger than the sum of its proper divisors (31227479729419).

141578262207221 is a wasteful number, since it uses less digits than its factorization.

141578262207221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20634.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 141578262207221 in words is "one hundred forty-one trillion, five hundred seventy-eight billion, two hundred sixty-two million, two hundred seven thousand, two hundred twenty-one".