2225939661811 has 16 divisors (see below), whose sum is σ = 2234164032288. Its totient is φ = 2217735936000.

The previous prime is 2225939661773. The next prime is 2225939661823. The reversal of 2225939661811 is 1181669395222.

It is a cyclic number.

It is not a de Polignac number, because 2225939661811 - 2³⁵ = 2191579923443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225939662811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170929961 + ... + 1170931861.

It is an arithmetic number, because the mean of its divisors is an integer number (139635252018).

Almost surely, 2^{2225939661811} is an apocalyptic number.

2225939661811 is a deficient number, since it is larger than the sum of its proper divisors (8224370477).

2225939661811 is a wasteful number, since it uses less digits than its factorization.

2225939661811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382.

The product of its digits is 2799360, while the sum is 55.

The spelling of 2225939661811 in words is "two trillion, two hundred twenty-five billion, nine hundred thirty-nine million, six hundred sixty-one thousand, eight hundred eleven".