260263511 has 2 divisors, whose sum is σ = 260263512. Its totient is φ = 260263510.

The previous prime is 260263481. The next prime is 260263517. The reversal of 260263511 is 115362062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260263511 - 2¹⁰ = 260262487 is a prime.

It is a super-3 number, since 3×260263511³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260263517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130131755 + 130131756.

It is an arithmetic number, because the mean of its divisors is an integer number (130131756).

Almost surely, 2^260263511 is an apocalyptic number.

260263511 is a deficient number, since it is larger than the sum of its proper divisors (1).

260263511 is an equidigital number, since it uses as much as digits as its factorization.

260263511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 260263511 is about 16132.6845565145. The cubic root of 260263511 is about 638.4659801705.

The spelling of 260263511 in words is "two hundred sixty million, two hundred sixty-three thousand, five hundred eleven".