15205152073 has 2 divisors, whose sum is σ = 15205152074. Its totient is φ = 15205152072.

The previous prime is 15205152029. The next prime is 15205152163. The reversal of 15205152073 is 37025150251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15204616249 + 535824 = 123307^2 + 732^2 .

It is a cyclic number.

It is not a de Polignac number, because 15205152073 - 2²¹ = 15203054921 is a prime.

It is not a weakly prime, because it can be changed into another prime (15205152013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7602576036 + 7602576037.

It is an arithmetic number, because the mean of its divisors is an integer number (7602576037).

Almost surely, 2^15205152073 is an apocalyptic number.

It is an amenable number.

15205152073 is a deficient number, since it is larger than the sum of its proper divisors (1).

15205152073 is an equidigital number, since it uses as much as digits as its factorization.

15205152073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 31.

The spelling of 15205152073 in words is "fifteen billion, two hundred five million, one hundred fifty-two thousand, seventy-three".