75825739022261 has 2 divisors, whose sum is σ = 75825739022262. Its totient is φ = 75825739022260.

The previous prime is 75825739022239. The next prime is 75825739022279. The reversal of 75825739022261 is 16222093752857.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72223737387025 + 3602001635236 = 8498455^2 + 1897894^2 .

It is a cyclic number.

It is not a de Polignac number, because 75825739022261 - 2¹⁰ = 75825739021237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75825739022261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75825739022281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37912869511130 + 37912869511131.

It is an arithmetic number, because the mean of its divisors is an integer number (37912869511131).

Almost surely, 2^{75825739022261} is an apocalyptic number.

It is an amenable number.

75825739022261 is a deficient number, since it is larger than the sum of its proper divisors (1).

75825739022261 is an equidigital number, since it uses as much as digits as its factorization.

75825739022261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 75825739022261 in words is "seventy-five trillion, eight hundred twenty-five billion, seven hundred thirty-nine million, twenty-two thousand, two hundred sixty-one".