2775558555772 has 24 divisors (see below), whose sum is σ = 4863938829120. Its totient is φ = 1385863065600.

The previous prime is 2775558555743. The next prime is 2775558555773.

2775558555772 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775558555773) 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, 8334804 + ... + 8661412.

It is an arithmetic number, because the mean of its divisors is an integer number (202664117880).

Almost surely, 2^{2775558555772} is an apocalyptic number.

It is an amenable number.

2775558555772 is a deficient number, since it is larger than the sum of its proper divisors (2088380273348).

2775558555772 is a wasteful number, since it uses less digits than its factorization.

2775558555772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329541 (or 329539 counting only the distinct ones).

The product of its digits is 1200500000, while the sum is 70.

The spelling of 2775558555772 in words is "two trillion, seven hundred seventy-five billion, five hundred fifty-eight million, five hundred fifty-five thousand, seven hundred seventy-two".