82231582875451 has 4 divisors (see below), whose sum is σ = 82231787050000. Its totient is φ = 82231378700904.

The previous prime is 82231582875437. The next prime is 82231582875509. The reversal of 82231582875451 is 15457828513228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82231582875451 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 82231582875451.

It is not an unprimeable number, because it can be changed into a prime (82231582872451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101481951 + ... + 102289048.

It is an arithmetic number, because the mean of its divisors is an integer number (20557946762500).

Almost surely, 2^{82231582875451} is an apocalyptic number.

82231582875451 is a deficient number, since it is larger than the sum of its proper divisors (204174549).

82231582875451 is a wasteful number, since it uses less digits than its factorization.

82231582875451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204174548.

The product of its digits is 43008000, while the sum is 61.

The spelling of 82231582875451 in words is "eighty-two trillion, two hundred thirty-one billion, five hundred eighty-two million, eight hundred seventy-five thousand, four hundred fifty-one".