15205052263231 has 2 divisors, whose sum is σ = 15205052263232. Its totient is φ = 15205052263230.

The previous prime is 15205052263147. The next prime is 15205052263243. The reversal of 15205052263231 is 13236225050251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15205052263231 - 2¹³ = 15205052255039 is a prime.

It is a super-2 number, since 2×15205052263231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15205052264231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7602526131615 + 7602526131616.

It is an arithmetic number, because the mean of its divisors is an integer number (7602526131616).

Almost surely, 2^{15205052263231} is an apocalyptic number.

15205052263231 is a deficient number, since it is larger than the sum of its proper divisors (1).

15205052263231 is an equidigital number, since it uses as much as digits as its factorization.

15205052263231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 15205052263231 in words is "fifteen trillion, two hundred five billion, fifty-two million, two hundred sixty-three thousand, two hundred thirty-one".