2211454791361 has 4 divisors (see below), whose sum is σ = 2217827860272. Its totient is φ = 2205081722452.

The previous prime is 2211454791307. The next prime is 2211454791407. The reversal of 2211454791361 is 1631974541122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2211454791361 - 2⁷ = 2211454791233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211454791461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3186533935 + ... + 3186534628.

It is an arithmetic number, because the mean of its divisors is an integer number (554456965068).

Almost surely, 2^{2211454791361} is an apocalyptic number.

It is an amenable number.

2211454791361 is a deficient number, since it is larger than the sum of its proper divisors (6373068911).

2211454791361 is an equidigital number, since it uses as much as digits as its factorization.

2211454791361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373068910.

The product of its digits is 362880, while the sum is 46.

The spelling of 2211454791361 in words is "two trillion, two hundred eleven billion, four hundred fifty-four million, seven hundred ninety-one thousand, three hundred sixty-one".