130505537680 has 60 divisors (see below), whose sum is σ = 352964222460. Its totient is φ = 44744754432.

The previous prime is 130505537651. The next prime is 130505537713. The reversal of 130505537680 is 86735505031.

It can be written as a sum of positive squares in 2 ways, for example, as 58687969536 + 71817568144 = 242256^2 + 267988^2 .

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, 16642195 + ... + 16650034.

It is an arithmetic number, because the mean of its divisors is an integer number (5882737041).

Almost surely, 2^130505537680 is an apocalyptic number.

130505537680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130505537680 is an abundant number, since it is smaller than the sum of its proper divisors (222458684780).

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

130505537680 is a wasteful number, since it uses less digits than its factorization.

130505537680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33292256 (or 33292243 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 130505537680 in words is "one hundred thirty billion, five hundred five million, five hundred thirty-seven thousand, six hundred eighty".