15052023142021 has 2 divisors, whose sum is σ = 15052023142022. Its totient is φ = 15052023142020.

The previous prime is 15052023141977. The next prime is 15052023142049. The reversal of 15052023142021 is 12024132025051.

It is a happy number.

It is an a-pointer prime, because the next prime (15052023142049) can be obtained adding 15052023142021 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14342656608900 + 709366533121 = 3787170^2 + 842239^2 .

It is a cyclic number.

It is not a de Polignac number, because 15052023142021 - 2¹¹ = 15052023139973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15052023142421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7526011571010 + 7526011571011.

It is an arithmetic number, because the mean of its divisors is an integer number (7526011571011).

Almost surely, 2^{15052023142021} is an apocalyptic number.

It is an amenable number.

15052023142021 is a deficient number, since it is larger than the sum of its proper divisors (1).

15052023142021 is an equidigital number, since it uses as much as digits as its factorization.

15052023142021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 15052023142021 its reverse (12024132025051), we get a palindrome (27076155167072).

The spelling of 15052023142021 in words is "fifteen trillion, fifty-two billion, twenty-three million, one hundred forty-two thousand, twenty-one".