2775105851 has 4 divisors (see below), whose sum is σ = 3171549552. Its totient is φ = 2378662152.

The previous prime is 2775105847. The next prime is 2775105859. The reversal of 2775105851 is 1585015772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2775105851 - 2² = 2775105847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2775105799 and 2775105808.

It is not an unprimeable number, because it can be changed into a prime (2775105859) 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, 198221840 + ... + 198221853.

It is an arithmetic number, because the mean of its divisors is an integer number (792887388).

Almost surely, 2^2775105851 is an apocalyptic number.

2775105851 is a deficient number, since it is larger than the sum of its proper divisors (396443701).

2775105851 is an equidigital number, since it uses as much as digits as its factorization.

2775105851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396443700.

The product of its (nonzero) digits is 98000, while the sum is 41.

The square root of 2775105851 is about 52679.2734479131. The cubic root of 2775105851 is about 1405.2702461800.

The spelling of 2775105851 in words is "two billion, seven hundred seventy-five million, one hundred five thousand, eight hundred fifty-one".