82811157089534 has 8 divisors (see below), whose sum is σ = 124216972331760. Its totient is φ = 41405499645616.

The previous prime is 82811157089483. The next prime is 82811157089561. The reversal of 82811157089534 is 43598075111828.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38128754 + ... + 40242069.

It is an arithmetic number, because the mean of its divisors is an integer number (15527121541470).

Almost surely, 2^{82811157089534} is an apocalyptic number.

82811157089534 is a deficient number, since it is larger than the sum of its proper divisors (41405815242226).

82811157089534 is a wasteful number, since it uses less digits than its factorization.

82811157089534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78899154.

The product of its (nonzero) digits is 19353600, while the sum is 62.

The spelling of 82811157089534 in words is "eighty-two trillion, eight hundred eleven billion, one hundred fifty-seven million, eighty-nine thousand, five hundred thirty-four".