265447061131451 has 2 divisors, whose sum is σ = 265447061131452. Its totient is φ = 265447061131450.

The previous prime is 265447061131433. The next prime is 265447061131471. The reversal of 265447061131451 is 154131160744562.

It is a happy number.

265447061131451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265447061131451 - 2¹⁸ = 265447060869307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265447061131451.

It is not a weakly prime, because it can be changed into another prime (265447061131471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132723530565725 + 132723530565726.

It is an arithmetic number, because the mean of its divisors is an integer number (132723530565726).

Almost surely, 2^{265447061131451} is an apocalyptic number.

265447061131451 is a deficient number, since it is larger than the sum of its proper divisors (1).

265447061131451 is an equidigital number, since it uses as much as digits as its factorization.

265447061131451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 265447061131451 in words is "two hundred sixty-five trillion, four hundred forty-seven billion, sixty-one million, one hundred thirty-one thousand, four hundred fifty-one".