72141011643 has 16 divisors (see below), whose sum is σ = 96869168640. Its totient is φ = 47754593376.

The previous prime is 72141011611. The next prime is 72141011651. The reversal of 72141011643 is 34611014127.

It is not a de Polignac number, because 72141011643 - 2⁵ = 72141011611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72141011643.

It is not an unprimeable number, because it can be changed into a prime (72141011143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103821 + ... + 393777.

It is an arithmetic number, because the mean of its divisors is an integer number (6054323040).

Almost surely, 2^72141011643 is an apocalyptic number.

72141011643 is a deficient number, since it is larger than the sum of its proper divisors (24728156997).

72141011643 is a wasteful number, since it uses less digits than its factorization.

72141011643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290546.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 72141011643 in words is "seventy-two billion, one hundred forty-one million, eleven thousand, six hundred forty-three".