71268993020159 has 16 divisors (see below), whose sum is σ = 78535460126880. Its totient is φ = 64134059520000.

The previous prime is 71268993020123. The next prime is 71268993020221. The reversal of 71268993020159 is 95102039986217.

It is a cyclic number.

It is not a de Polignac number, because 71268993020159 - 2²⁸ = 71268724584703 is a prime.

It is a super-2 number, since 2×71268993020159² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71268993020059) 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, 2288354 + ... + 12156255.

It is an arithmetic number, because the mean of its divisors is an integer number (4908466257930).

Almost surely, 2^{71268993020159} is an apocalyptic number.

71268993020159 is a deficient number, since it is larger than the sum of its proper divisors (7266467106721).

71268993020159 is a wasteful number, since it uses less digits than its factorization.

71268993020159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449162.

The product of its (nonzero) digits is 14696640, while the sum is 62.

The spelling of 71268993020159 in words is "seventy-one trillion, two hundred sixty-eight billion, nine hundred ninety-three million, twenty thousand, one hundred fifty-nine".