82118009075 has 12 divisors (see below), whose sum is σ = 101830707120. Its totient is φ = 65691584160.

The previous prime is 82118009069. The next prime is 82118009153. The reversal of 82118009075 is 57090081128.

It is not a de Polignac number, because 82118009075 - 2⁴ = 82118009059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678842 + ... + 790608.

It is an arithmetic number, because the mean of its divisors is an integer number (8485892260).

Almost surely, 2^82118009075 is an apocalyptic number.

82118009075 is a deficient number, since it is larger than the sum of its proper divisors (19712698045).

82118009075 is a wasteful number, since it uses less digits than its factorization.

82118009075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141166 (or 141161 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 41.

The spelling of 82118009075 in words is "eighty-two billion, one hundred eighteen million, nine thousand, seventy-five".