15052021099 has 2 divisors, whose sum is σ = 15052021100. Its totient is φ = 15052021098.

The previous prime is 15052021093. The next prime is 15052021223. The reversal of 15052021099 is 99012025051.

It is a weak prime.

It is an emirp because it is prime and its reverse (99012025051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15052021099 - 2³ = 15052021091 is a prime.

It is not a weakly prime, because it can be changed into another prime (15052021091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7526010549 + 7526010550.

It is an arithmetic number, because the mean of its divisors is an integer number (7526010550).

Almost surely, 2^15052021099 is an apocalyptic number.

15052021099 is a deficient number, since it is larger than the sum of its proper divisors (1).

15052021099 is an equidigital number, since it uses as much as digits as its factorization.

15052021099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 34.

The spelling of 15052021099 in words is "fifteen billion, fifty-two million, twenty-one thousand, ninety-nine".