71800315233 has 4 divisors (see below), whose sum is σ = 95733753648. Its totient is φ = 47866876820.

The previous prime is 71800315229. The next prime is 71800315253. The reversal of 71800315233 is 33251300817.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71800315233 - 2² = 71800315229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71800315194 and 71800315203.

It is not an unprimeable number, because it can be changed into a prime (71800315253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11966719203 + ... + 11966719208.

It is an arithmetic number, because the mean of its divisors is an integer number (23933438412).

Almost surely, 2^71800315233 is an apocalyptic number.

It is an amenable number.

71800315233 is a deficient number, since it is larger than the sum of its proper divisors (23933438415).

71800315233 is a wasteful number, since it uses less digits than its factorization.

71800315233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23933438414.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 71800315233 in words is "seventy-one billion, eight hundred million, three hundred fifteen thousand, two hundred thirty-three".