265716420001 has 2 divisors, whose sum is σ = 265716420002. Its totient is φ = 265716420000.

The previous prime is 265716419993. The next prime is 265716420023. The reversal of 265716420001 is 100024617562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218387982400 + 47328437601 = 467320^2 + 217551^2 .

It is a cyclic number.

It is not a de Polignac number, because 265716420001 - 2³ = 265716419993 is a prime.

It is not a weakly prime, because it can be changed into another prime (265716420061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132858210000 + 132858210001.

It is an arithmetic number, because the mean of its divisors is an integer number (132858210001).

Almost surely, 2^265716420001 is an apocalyptic number.

It is an amenable number.

265716420001 is a deficient number, since it is larger than the sum of its proper divisors (1).

265716420001 is an equidigital number, since it uses as much as digits as its factorization.

265716420001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 265716420001 in words is "two hundred sixty-five billion, seven hundred sixteen million, four hundred twenty thousand, one".