260320011 has 8 divisors (see below), whose sum is σ = 396678144. Its totient is φ = 148754280.

The previous prime is 260319959. The next prime is 260320019. The reversal of 260320011 is 110023062.

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

It is a de Polignac number, because none of the positive numbers 2^k-260320011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260320019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6198075 + ... + 6198116.

It is an arithmetic number, because the mean of its divisors is an integer number (49584768).

Almost surely, 2^260320011 is an apocalyptic number.

260320011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

260320011 is a deficient number, since it is larger than the sum of its proper divisors (136358133).

260320011 is a wasteful number, since it uses less digits than its factorization.

260320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12396201.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 260320011 is about 16134.4355649648. The cubic root of 260320011 is about 638.5121778590.

Adding to 260320011 its reverse (110023062), we get a palindrome (370343073).

The spelling of 260320011 in words is "two hundred sixty million, three hundred twenty thousand, eleven".