71193972135089 has 16 divisors (see below), whose sum is σ = 71444199889920. Its totient is φ = 70944278343120.

The previous prime is 71193972135061. The next prime is 71193972135101. The reversal of 71193972135089 is 98053127939117.

It is a cyclic number.

It is not a de Polignac number, because 71193972135089 - 2¹⁶ = 71193972069553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71193972135029) 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, 882963794 + ... + 883044420.

It is an arithmetic number, because the mean of its divisors is an integer number (4465262493120).

Almost surely, 2^{71193972135089} is an apocalyptic number.

It is an amenable number.

71193972135089 is a deficient number, since it is larger than the sum of its proper divisors (250227754831).

71193972135089 is a wasteful number, since it uses less digits than its factorization.

71193972135089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83900.

The product of its (nonzero) digits is 25719120, while the sum is 65.

The spelling of 71193972135089 in words is "seventy-one trillion, one hundred ninety-three billion, nine hundred seventy-two million, one hundred thirty-five thousand, eighty-nine".