2255297661892 has 36 divisors (see below), whose sum is σ = 4430488083840. Its totient is φ = 1003323901360.

The previous prime is 2255297661767. The next prime is 2255297661919. The reversal of 2255297661892 is 2981667925522.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 49548592 + ... + 49594087.

It is an arithmetic number, because the mean of its divisors is an integer number (123069113440).

Almost surely, 2^{2255297661892} is an apocalyptic number.

2255297661892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2255297661892 is a deficient number, since it is larger than the sum of its proper divisors (2175190421948).

2255297661892 is a wasteful number, since it uses less digits than its factorization.

2255297661892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99142752 (or 99142739 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 64.

The spelling of 2255297661892 in words is "two trillion, two hundred fifty-five billion, two hundred ninety-seven million, six hundred sixty-one thousand, eight hundred ninety-two".