15205052263243 has 2 divisors, whose sum is σ = 15205052263244. Its totient is φ = 15205052263242.

The previous prime is 15205052263231. The next prime is 15205052263369. The reversal of 15205052263243 is 34236225050251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15205052263243 - 2²¹ = 15205050166091 is a prime.

It is a super-2 number, since 2×15205052263243² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15205052263196 and 15205052263205.

It is not a weakly prime, because it can be changed into another prime (15205052263043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7602526131621 + 7602526131622.

It is an arithmetic number, because the mean of its divisors is an integer number (7602526131622).

Almost surely, 2^{15205052263243} is an apocalyptic number.

15205052263243 is a deficient number, since it is larger than the sum of its proper divisors (1).

15205052263243 is an equidigital number, since it uses as much as digits as its factorization.

15205052263243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 15205052263243 in words is "fifteen trillion, two hundred five billion, fifty-two million, two hundred sixty-three thousand, two hundred forty-three".