2775041280138 has 32 divisors (see below), whose sum is σ = 5556229485120. Its totient is φ = 923989489920.

The previous prime is 2775041280131. The next prime is 2775041280203. The reversal of 2775041280138 is 8310821405772.

It is not an unprimeable number, because it can be changed into a prime (2775041280131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65186356 + ... + 65228912.

It is an arithmetic number, because the mean of its divisors is an integer number (173632171410).

Almost surely, 2^{2775041280138} is an apocalyptic number.

2775041280138 is an abundant number, since it is smaller than the sum of its proper divisors (2781188204982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2775041280138 is a wasteful number, since it uses less digits than its factorization.

2775041280138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54342.

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 2775041280138 in words is "two trillion, seven hundred seventy-five billion, forty-one million, two hundred eighty thousand, one hundred thirty-eight".