15780306510133 has 16 divisors (see below), whose sum is σ = 17253063604800. Its totient is φ = 14313936574080.

The previous prime is 15780306510131. The next prime is 15780306510191. The reversal of 15780306510133 is 33101560308751.

It is not a de Polignac number, because 15780306510133 - 2¹ = 15780306510131 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 15780306510133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15780306510131) 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 15 ways as a sum of consecutive naturals, for example, 13059835 + ... + 14216887.

It is an arithmetic number, because the mean of its divisors is an integer number (1078316475300).

Almost surely, 2^{15780306510133} is an apocalyptic number.

It is an amenable number.

15780306510133 is a deficient number, since it is larger than the sum of its proper divisors (1472757094667).

15780306510133 is a wasteful number, since it uses less digits than its factorization.

15780306510133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159812.

The product of its (nonzero) digits is 226800, while the sum is 43.

Adding to 15780306510133 its reverse (33101560308751), we get a palindrome (48881866818884).

The spelling of 15780306510133 in words is "fifteen trillion, seven hundred eighty billion, three hundred six million, five hundred ten thousand, one hundred thirty-three".