15712049633261 has 2 divisors, whose sum is σ = 15712049633262. Its totient is φ = 15712049633260.

The previous prime is 15712049633251. The next prime is 15712049633353. The reversal of 15712049633261 is 16233694021751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15657010127236 + 55039506025 = 3956894^2 + 234605^2 .

It is a cyclic number.

It is not a de Polignac number, because 15712049633261 - 2¹⁴ = 15712049616877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15712049633221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7856024816630 + 7856024816631.

It is an arithmetic number, because the mean of its divisors is an integer number (7856024816631).

Almost surely, 2^{15712049633261} is an apocalyptic number.

It is an amenable number.

15712049633261 is a deficient number, since it is larger than the sum of its proper divisors (1).

15712049633261 is an equidigital number, since it uses as much as digits as its factorization.

15712049633261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 15712049633261 in words is "fifteen trillion, seven hundred twelve billion, forty-nine million, six hundred thirty-three thousand, two hundred sixty-one".