130720571520 has 1024 divisors, whose sum is σ = 552033792000. Its totient is φ = 25489244160.

The previous prime is 130720571519. The next prime is 130720571557. The reversal of 130720571520 is 25175027031.

It is a happy number.

It is a super-2 number, since 2×130720571520² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 485949946 + ... + 485950214.

It is an arithmetic number, because the mean of its divisors is an integer number (539095500).

Almost surely, 2^130720571520 is an apocalyptic number.

130720571520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130720571520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276016896000).

130720571520 is an abundant number, since it is smaller than the sum of its proper divisors (421313220480).

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

130720571520 is a wasteful number, since it uses less digits than its factorization.

130720571520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

Adding to 130720571520 its reverse (25175027031), we get a palindrome (155895598551).

The spelling of 130720571520 in words is "one hundred thirty billion, seven hundred twenty million, five hundred seventy-one thousand, five hundred twenty".