130205555 has 4 divisors (see below), whose sum is σ = 156246672. Its totient is φ = 104164440.

The previous prime is 130205539. The next prime is 130205561. The reversal of 130205555 is 555502031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 130205555 - 2⁴ = 130205539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13020551 + ... + 13020560.

It is an arithmetic number, because the mean of its divisors is an integer number (39061668).

Almost surely, 2^130205555 is an apocalyptic number.

130205555 is a deficient number, since it is larger than the sum of its proper divisors (26041117).

130205555 is an equidigital number, since it uses as much as digits as its factorization.

130205555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26041116.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 130205555 is about 11410.7648735744. The cubic root of 130205555 is about 506.8465612834.

Adding to 130205555 its reverse (555502031), we get a palindrome (685707586).

The spelling of 130205555 in words is "one hundred thirty million, two hundred five thousand, five hundred fifty-five".