130020513551 has 4 divisors (see below), whose sum is σ = 137668779072. Its totient is φ = 122372248032.

The previous prime is 130020513541. The next prime is 130020513577. The reversal of 130020513551 is 155315020031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155315020031 = 1811 ⋅85762021.

It is a cyclic number.

It is not a de Polignac number, because 130020513551 - 2²⁶ = 129953404687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130020513551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130020513541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3824132735 + ... + 3824132768.

It is an arithmetic number, because the mean of its divisors is an integer number (34417194768).

Almost surely, 2^130020513551 is an apocalyptic number.

130020513551 is a deficient number, since it is larger than the sum of its proper divisors (7648265521).

130020513551 is an equidigital number, since it uses as much as digits as its factorization.

130020513551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7648265520.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 130020513551 its reverse (155315020031), we get a palindrome (285335533582).

The spelling of 130020513551 in words is "one hundred thirty billion, twenty million, five hundred thirteen thousand, five hundred fifty-one".