15042250213 has 2 divisors, whose sum is σ = 15042250214. Its totient is φ = 15042250212.

The previous prime is 15042250193. The next prime is 15042250231. The reversal of 15042250213 is 31205224051.

Together with next prime (15042250231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14565351969 + 476898244 = 120687^2 + 21838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15042250213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15042250283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7521125106 + 7521125107.

It is an arithmetic number, because the mean of its divisors is an integer number (7521125107).

Almost surely, 2^15042250213 is an apocalyptic number.

It is an amenable number.

15042250213 is a deficient number, since it is larger than the sum of its proper divisors (1).

15042250213 is an equidigital number, since it uses as much as digits as its factorization.

15042250213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 15042250213 its reverse (31205224051), we get a palindrome (46247474264).

The spelling of 15042250213 in words is "fifteen billion, forty-two million, two hundred fifty thousand, two hundred thirteen".