260426537565 has 8 divisors (see below), whose sum is σ = 416682460128. Its totient is φ = 138894153360.

The previous prime is 260426537533. The next prime is 260426537593. The reversal of 260426537565 is 565735624062.

260426537565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260426537565 - 2⁵ = 260426537533 is a prime.

It is a super-2 number, since 2×260426537565² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8680884571 + ... + 8680884600.

It is an arithmetic number, because the mean of its divisors is an integer number (52085307516).

Almost surely, 2^260426537565 is an apocalyptic number.

It is an amenable number.

260426537565 is a deficient number, since it is larger than the sum of its proper divisors (156255922563).

260426537565 is a wasteful number, since it uses less digits than its factorization.

260426537565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17361769179.

The product of its (nonzero) digits is 9072000, while the sum is 51.

The spelling of 260426537565 in words is "two hundred sixty billion, four hundred twenty-six million, five hundred thirty-seven thousand, five hundred sixty-five".