71133237157 has 8 divisors (see below), whose sum is σ = 72650793600. Its totient is φ = 69615850944.

The previous prime is 71133237121. The next prime is 71133237167. The reversal of 71133237157 is 75173233117.

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

It is a cyclic number.

It is not a de Polignac number, because 71133237157 - 2²³ = 71124848549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71133237167) 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, 1161069 + ... + 1220797.

It is an arithmetic number, because the mean of its divisors is an integer number (9081349200).

Almost surely, 2^71133237157 is an apocalyptic number.

It is an amenable number.

71133237157 is a deficient number, since it is larger than the sum of its proper divisors (1517556443).

71133237157 is a wasteful number, since it uses less digits than its factorization.

71133237157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85115.

The product of its digits is 92610, while the sum is 40.

The spelling of 71133237157 in words is "seventy-one billion, one hundred thirty-three million, two hundred thirty-seven thousand, one hundred fifty-seven".