501451320130 has 16 divisors (see below), whose sum is σ = 941856393024. Its totient is φ = 191859635440.

The previous prime is 501451320127. The next prime is 501451320131. The reversal of 501451320130 is 31023154105.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 501451320095 and 501451320104.

It is not an unprimeable number, because it can be changed into a prime (501451320131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090111336 + ... + 1090111795.

It is an arithmetic number, because the mean of its divisors is an integer number (58866024564).

Almost surely, 2^501451320130 is an apocalyptic number.

501451320130 is a deficient number, since it is larger than the sum of its proper divisors (440405072894).

501451320130 is a wasteful number, since it uses less digits than its factorization.

501451320130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180223161.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 501451320130 its reverse (31023154105), we get a palindrome (532474474235).

The spelling of 501451320130 in words is "five hundred one billion, four hundred fifty-one million, three hundred twenty thousand, one hundred thirty".