15715028133 has 80 divisors (see below), whose sum is σ = 27187015680. Its totient is φ = 8861094144.

The previous prime is 15715028111. The next prime is 15715028137. The reversal of 15715028133 is 33182051751.

It is a happy number.

15715028133 is a `hidden beast` number, since 1 + 5 + 71 + 502 + 81 + 3 + 3 = 666.

It is not a de Polignac number, because 15715028133 - 2¹³ = 15715019941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15715028137) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16489585 + ... + 16490537.

It is an arithmetic number, because the mean of its divisors is an integer number (339837696).

Almost surely, 2^15715028133 is an apocalyptic number.

It is an amenable number.

15715028133 is a deficient number, since it is larger than the sum of its proper divisors (11471987547).

15715028133 is a wasteful number, since it uses less digits than its factorization.

15715028133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

Adding to 15715028133 its reverse (33182051751), we get a palindrome (48897079884).

The spelling of 15715028133 in words is "fifteen billion, seven hundred fifteen million, twenty-eight thousand, one hundred thirty-three".