15780130760208 has 20 divisors (see below), whose sum is σ = 40765337797328. Its totient is φ = 5260043586720.

The previous prime is 15780130760143. The next prime is 15780130760209. The reversal of 15780130760208 is 80206703108751.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 328752724171 = 15780130760208 / (1 + 5 + 7 + 8 + 0 + 1 + 3 + 0 + 7 + 6 + 0 + 2 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (15780130760209) 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, 164376362038 + ... + 164376362133.

Almost surely, 2^{15780130760208} is an apocalyptic number.

It is an amenable number.

15780130760208 is an abundant number, since it is smaller than the sum of its proper divisors (24985207037120).

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

15780130760208 is a wasteful number, since it uses less digits than its factorization.

15780130760208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328752724182 (or 328752724176 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

Adding to 15780130760208 its reverse (80206703108751), we get a palindrome (95986833868959).

The spelling of 15780130760208 in words is "fifteen trillion, seven hundred eighty billion, one hundred thirty million, seven hundred sixty thousand, two hundred eight".