130205440015 has 16 divisors (see below), whose sum is σ = 178785000000. Its totient is φ = 89174960640.

The previous prime is 130205440007. The next prime is 130205440051. The reversal of 130205440015 is 510044502031.

It is a happy number.

It is not a de Polignac number, because 130205440015 - 2³ = 130205440007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2236890 + ... + 2294359.

It is an arithmetic number, because the mean of its divisors is an integer number (11174062500).

Almost surely, 2^130205440015 is an apocalyptic number.

130205440015 is a deficient number, since it is larger than the sum of its proper divisors (48579559985).

130205440015 is an equidigital number, since it uses as much as digits as its factorization.

130205440015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532082.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 130205440015 its reverse (510044502031), we get a palindrome (640249942046).

The spelling of 130205440015 in words is "one hundred thirty billion, two hundred five million, four hundred forty thousand, fifteen".