15052230581 has 2 divisors, whose sum is σ = 15052230582. Its totient is φ = 15052230580.

The previous prime is 15052230563. The next prime is 15052230629. The reversal of 15052230581 is 18503225051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7838446225 + 7213784356 = 88535^2 + 84934^2 .

It is a cyclic number.

It is not a de Polignac number, because 15052230581 - 2²² = 15048036277 is a prime.

It is a super-2 number, since 2×15052230581² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15052230511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7526115290 + 7526115291.

It is an arithmetic number, because the mean of its divisors is an integer number (7526115291).

Almost surely, 2^15052230581 is an apocalyptic number.

It is an amenable number.

15052230581 is a deficient number, since it is larger than the sum of its proper divisors (1).

15052230581 is an equidigital number, since it uses as much as digits as its factorization.

15052230581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 15052230581 in words is "fifteen billion, fifty-two million, two hundred thirty thousand, five hundred eighty-one".