2750778006081 has 16 divisors (see below), whose sum is σ = 4198455360384. Its totient is φ = 1569325532544.

The previous prime is 2750778006077. The next prime is 2750778006083. The reversal of 2750778006081 is 1806008770572.

It is not a de Polignac number, because 2750778006081 - 2² = 2750778006077 is a prime.

It is a super-2 number, since 2×2750778006081² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2750778006083) 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, 106137310 + ... + 106163223.

It is an arithmetic number, because the mean of its divisors is an integer number (262403460024).

Almost surely, 2^{2750778006081} is an apocalyptic number.

2750778006081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2750778006081 is a deficient number, since it is larger than the sum of its proper divisors (1447677354303).

2750778006081 is a wasteful number, since it uses less digits than its factorization.

2750778006081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212301160.

The product of its (nonzero) digits is 1317120, while the sum is 51.

The spelling of 2750778006081 in words is "two trillion, seven hundred fifty billion, seven hundred seventy-eight million, six thousand, eighty-one".