265143111339913 has 2 divisors, whose sum is σ = 265143111339914. Its totient is φ = 265143111339912.

The previous prime is 265143111339901. The next prime is 265143111339973. The reversal of 265143111339913 is 319933111341562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264983441569344 + 159669770569 = 16278312^2 + 399587^2 .

It is a cyclic number.

It is not a de Polignac number, because 265143111339913 - 2²¹ = 265143109242761 is a prime.

It is not a weakly prime, because it can be changed into another prime (265143111339973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132571555669956 + 132571555669957.

It is an arithmetic number, because the mean of its divisors is an integer number (132571555669957).

Almost surely, 2^{265143111339913} is an apocalyptic number.

It is an amenable number.

265143111339913 is a deficient number, since it is larger than the sum of its proper divisors (1).

265143111339913 is an equidigital number, since it uses as much as digits as its factorization.

265143111339913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 52.

The spelling of 265143111339913 in words is "two hundred sixty-five trillion, one hundred forty-three billion, one hundred eleven million, three hundred thirty-nine thousand, nine hundred thirteen".