81527267352104 has 96 divisors (see below), whose sum is σ = 181112740819200. Its totient is φ = 34298563178880.

The previous prime is 81527267352101. The next prime is 81527267352119. The reversal of 81527267352104 is 40125376272518.

It is not an unprimeable number, because it can be changed into a prime (81527267352101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2251292 + ... + 12966219.

It is an arithmetic number, because the mean of its divisors is an integer number (1886591050200).

Almost surely, 2^{81527267352104} is an apocalyptic number.

It is an amenable number.

81527267352104 is an abundant number, since it is smaller than the sum of its proper divisors (99585473467096).

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

81527267352104 is a wasteful number, since it uses less digits than its factorization.

81527267352104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15217783 (or 15217772 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 81527267352104 in words is "eighty-one trillion, five hundred twenty-seven billion, two hundred sixty-seven million, three hundred fifty-two thousand, one hundred four".