2251066401145 has 16 divisors (see below), whose sum is σ = 2752571408832. Its totient is φ = 1766666640960.

The previous prime is 2251066400971. The next prime is 2251066401151. The reversal of 2251066401145 is 5411046601522.

It is not a de Polignac number, because 2251066401145 - 2⁹ = 2251066400633 is a prime.

It is a super-2 number, since 2×2251066401145² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1773190 + ... + 2765200.

It is an arithmetic number, because the mean of its divisors is an integer number (172035713052).

Almost surely, 2^{2251066401145} is an apocalyptic number.

It is an amenable number.

2251066401145 is a deficient number, since it is larger than the sum of its proper divisors (501505007687).

2251066401145 is an equidigital number, since it uses as much as digits as its factorization.

2251066401145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000632.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 2251066401145 in words is "two trillion, two hundred fifty-one billion, sixty-six million, four hundred one thousand, one hundred forty-five".