15152201321 has 2 divisors, whose sum is σ = 15152201322. Its totient is φ = 15152201320.

The previous prime is 15152201249. The next prime is 15152201333. The reversal of 15152201321 is 12310225151.

15152201321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7658875225 + 7493326096 = 87515^2 + 86564^2 .

It is a cyclic number.

It is not a de Polignac number, because 15152201321 - 2²⁶ = 15085092457 is a prime.

It is a super-2 number, since 2×15152201321² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15152201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7576100660 + 7576100661.

It is an arithmetic number, because the mean of its divisors is an integer number (7576100661).

Almost surely, 2^15152201321 is an apocalyptic number.

It is an amenable number.

15152201321 is a deficient number, since it is larger than the sum of its proper divisors (1).

15152201321 is an equidigital number, since it uses as much as digits as its factorization.

15152201321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 15152201321 its reverse (12310225151), we get a palindrome (27462426472).

The spelling of 15152201321 in words is "fifteen billion, one hundred fifty-two million, two hundred one thousand, three hundred twenty-one".