82505083551 has 48 divisors (see below), whose sum is σ = 126349590528. Its totient is φ = 47463955200.

The previous prime is 82505083541. The next prime is 82505083559. The reversal of 82505083551 is 15538050528.

It is not a de Polignac number, because 82505083551 - 2³³ = 73915148959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82505083559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1829986 + ... + 1874528.

It is an arithmetic number, because the mean of its divisors is an integer number (2632283136).

Almost surely, 2^82505083551 is an apocalyptic number.

82505083551 is a deficient number, since it is larger than the sum of its proper divisors (43844506977).

82505083551 is a wasteful number, since it uses less digits than its factorization.

82505083551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44672 (or 44635 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 42.

The spelling of 82505083551 in words is "eighty-two billion, five hundred five million, eighty-three thousand, five hundred fifty-one".