2775752780553 has 16 divisors (see below), whose sum is σ = 4199720520960. Its totient is φ = 1811129473008.

The previous prime is 2775752780453. The next prime is 2775752780701. The reversal of 2775752780553 is 3550872575772.

2775752780553 is a `hidden beast` number, since 2 + 7 + 7 + 5 + 7 + 5 + 2 + 78 + 0 + 553 = 666.

It is not a de Polignac number, because 2775752780553 - 2²¹ = 2775750683401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2775752780453) 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, 1093675950 + ... + 1093678487.

It is an arithmetic number, because the mean of its divisors is an integer number (262482532560).

Almost surely, 2^{2775752780553} is an apocalyptic number.

It is an amenable number.

2775752780553 is a deficient number, since it is larger than the sum of its proper divisors (1423967740407).

2775752780553 is a wasteful number, since it uses less digits than its factorization.

2775752780553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187354493 (or 2187354487 counting only the distinct ones).

The product of its (nonzero) digits is 144060000, while the sum is 63.

The spelling of 2775752780553 in words is "two trillion, seven hundred seventy-five billion, seven hundred fifty-two million, seven hundred eighty thousand, five hundred fifty-three".