2655091113881 has 2 divisors, whose sum is σ = 2655091113882. Its totient is φ = 2655091113880.

The previous prime is 2655091113869. The next prime is 2655091113889. The reversal of 2655091113881 is 1883111905562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2652611571856 + 2479542025 = 1628684^2 + 49795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2655091113881 is a prime.

It is a super-2 number, since 2×2655091113881² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2655091113889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327545556940 + 1327545556941.

It is an arithmetic number, because the mean of its divisors is an integer number (1327545556941).

Almost surely, 2^{2655091113881} is an apocalyptic number.

It is an amenable number.

2655091113881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655091113881 is an equidigital number, since it uses as much as digits as its factorization.

2655091113881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 50.

The spelling of 2655091113881 in words is "two trillion, six hundred fifty-five billion, ninety-one million, one hundred thirteen thousand, eight hundred eighty-one".