2855111111601 has 32 divisors (see below), whose sum is σ = 4403665920768. Its totient is φ = 1611729550080.

The previous prime is 2855111111597. The next prime is 2855111111603. The reversal of 2855111111601 is 1061111115582.

It is not a de Polignac number, because 2855111111601 - 2² = 2855111111597 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2855111111603) 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 31 ways as a sum of consecutive naturals, for example, 1932430 + ... + 3073191.

It is an arithmetic number, because the mean of its divisors is an integer number (137614560024).

Almost surely, 2^{2855111111601} is an apocalyptic number.

2855111111601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2855111111601 is a deficient number, since it is larger than the sum of its proper divisors (1548554809167).

2855111111601 is a wasteful number, since it uses less digits than its factorization.

2855111111601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005961.

The product of its (nonzero) digits is 2400, while the sum is 33.

The spelling of 2855111111601 in words is "two trillion, eight hundred fifty-five billion, one hundred eleven million, one hundred eleven thousand, six hundred one".