2600678643811 has 8 divisors (see below), whose sum is σ = 2609955193104. Its totient is φ = 2591404819680.

The previous prime is 2600678643793. The next prime is 2600678643841. The reversal of 2600678643811 is 1183468760062.

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

It is a cyclic number.

It is not a de Polignac number, because 2600678643811 - 2⁵ = 2600678643779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2600678643841) by changing a digit.

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, 1240401 + ... + 2596141.

It is an arithmetic number, because the mean of its divisors is an integer number (326244399138).

Almost surely, 2^{2600678643811} is an apocalyptic number.

2600678643811 is a deficient number, since it is larger than the sum of its proper divisors (9276549293).

2600678643811 is a wasteful number, since it uses less digits than its factorization.

2600678643811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362581.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 2600678643811 in words is "two trillion, six hundred billion, six hundred seventy-eight million, six hundred forty-three thousand, eight hundred eleven".