71222124533 has 8 divisors (see below), whose sum is σ = 81542852352. Its totient is φ = 60937931376.

The previous prime is 71222124499. The next prime is 71222124557. The reversal of 71222124533 is 33542122217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71222124533 - 2²⁰ = 71221075957 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 71222124533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71222124133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9129485 + ... + 9137282.

It is an arithmetic number, because the mean of its divisors is an integer number (10192856544).

Almost surely, 2^71222124533 is an apocalyptic number.

It is an amenable number.

71222124533 is a deficient number, since it is larger than the sum of its proper divisors (10320727819).

71222124533 is a wasteful number, since it uses less digits than its factorization.

71222124533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18267331.

The product of its digits is 20160, while the sum is 32.

The spelling of 71222124533 in words is "seventy-one billion, two hundred twenty-two million, one hundred twenty-four thousand, five hundred thirty-three".