81082080510 has 16 divisors (see below), whose sum is σ = 194596993296. Its totient is φ = 21621888128.

The previous prime is 81082080467. The next prime is 81082080517. The reversal of 81082080510 is 1508028018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81082080517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351367979 + ... + 1351368038.

It is an arithmetic number, because the mean of its divisors is an integer number (12162312081).

Almost surely, 2^81082080510 is an apocalyptic number.

81082080510 is an abundant number, since it is smaller than the sum of its proper divisors (113514912786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

81082080510 is a wasteful number, since it uses less digits than its factorization.

81082080510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702736027.

The product of its (nonzero) digits is 5120, while the sum is 33.

The spelling of 81082080510 in words is "eighty-one billion, eighty-two million, eighty thousand, five hundred ten".