2666225111251 has 16 divisors (see below), whose sum is σ = 2881337145120. Its totient is φ = 2452545469440.

The previous prime is 2666225111239. The next prime is 2666225111269. The reversal of 2666225111251 is 1521115226662.

2666225111251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2666225111251 - 2⁹ = 2666225110739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666225111281) 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, 95862435 + ... + 95890243.

It is an arithmetic number, because the mean of its divisors is an integer number (180083571570).

Almost surely, 2^{2666225111251} is an apocalyptic number.

2666225111251 is a deficient number, since it is larger than the sum of its proper divisors (215112033869).

2666225111251 is a wasteful number, since it uses less digits than its factorization.

2666225111251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53286.

The product of its digits is 86400, while the sum is 40.

The spelling of 2666225111251 in words is "two trillion, six hundred sixty-six billion, two hundred twenty-five million, one hundred eleven thousand, two hundred fifty-one".