15114741221 has 2 divisors, whose sum is σ = 15114741222. Its totient is φ = 15114741220.

The previous prime is 15114741199. The next prime is 15114741371. The reversal of 15114741221 is 12214741151.

15114741221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8815144321 + 6299596900 = 93889^2 + 79370^2 .

It is a cyclic number.

It is not a de Polignac number, because 15114741221 - 2¹⁰ = 15114740197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15114741121) 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, 7557370610 + 7557370611.

It is an arithmetic number, because the mean of its divisors is an integer number (7557370611).

Almost surely, 2^15114741221 is an apocalyptic number.

It is an amenable number.

15114741221 is a deficient number, since it is larger than the sum of its proper divisors (1).

15114741221 is an equidigital number, since it uses as much as digits as its factorization.

15114741221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 29.

The spelling of 15114741221 in words is "fifteen billion, one hundred fourteen million, seven hundred forty-one thousand, two hundred twenty-one".