81753522260 has 48 divisors (see below), whose sum is σ = 174179642112. Its totient is φ = 32226163200.

The previous prime is 81753522233. The next prime is 81753522289. The reversal of 81753522260 is 6222535718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3428780 + ... + 3452540.

It is an arithmetic number, because the mean of its divisors is an integer number (3628742544).

Almost surely, 2^81753522260 is an apocalyptic number.

It is an amenable number.

81753522260 is an abundant number, since it is smaller than the sum of its proper divisors (92426119852).

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

81753522260 is a wasteful number, since it uses less digits than its factorization.

81753522260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26264 (or 26262 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 81753522260 in words is "eighty-one billion, seven hundred fifty-three million, five hundred twenty-two thousand, two hundred sixty".