15034133221 has 2 divisors, whose sum is σ = 15034133222. Its totient is φ = 15034133220.

The previous prime is 15034133207. The next prime is 15034133239. The reversal of 15034133221 is 12233143051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15009680196 + 24453025 = 122514^2 + 4945^2 .

It is a cyclic number.

It is not a de Polignac number, because 15034133221 - 2⁵ = 15034133189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15034133201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7517066610 + 7517066611.

It is an arithmetic number, because the mean of its divisors is an integer number (7517066611).

Almost surely, 2^15034133221 is an apocalyptic number.

It is an amenable number.

15034133221 is a deficient number, since it is larger than the sum of its proper divisors (1).

15034133221 is an equidigital number, since it uses as much as digits as its factorization.

15034133221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 15034133221 its reverse (12233143051), we get a palindrome (27267276272).

The spelling of 15034133221 in words is "fifteen billion, thirty-four million, one hundred thirty-three thousand, two hundred twenty-one".