260011011101001 has 4 divisors (see below), whose sum is σ = 346681348134672. Its totient is φ = 173340674067332.

The previous prime is 260011011100999. The next prime is 260011011101033. The reversal of 260011011101001 is 100101110110062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 260011011101001 - 2¹ = 260011011100999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260011011101201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43335168516831 + ... + 43335168516836.

It is an arithmetic number, because the mean of its divisors is an integer number (86670337033668).

Almost surely, 2^{260011011101001} is an apocalyptic number.

It is an amenable number.

260011011101001 is a deficient number, since it is larger than the sum of its proper divisors (86670337033671).

260011011101001 is an equidigital number, since it uses as much as digits as its factorization.

260011011101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86670337033670.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 260011011101001 its reverse (100101110110062), we get a palindrome (360112121211063).

The spelling of 260011011101001 in words is "two hundred sixty trillion, eleven billion, eleven million, one hundred one thousand, one".