2251466811 has 24 divisors (see below), whose sum is σ = 3549452400. Its totient is φ = 1363876800.

The previous prime is 2251466699. The next prime is 2251466813. The reversal of 2251466811 is 1186641522.

It is a happy number.

2251466811 is a `hidden beast` number, since 2 + 2 + 514 + 66 + 81 + 1 = 666.

It is not a de Polignac number, because 2251466811 - 2¹⁰ = 2251465787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251466813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279265 + ... + 287213.

It is an arithmetic number, because the mean of its divisors is an integer number (147893850).

Almost surely, 2^2251466811 is an apocalyptic number.

2251466811 is a deficient number, since it is larger than the sum of its proper divisors (1297985589).

2251466811 is a wasteful number, since it uses less digits than its factorization.

2251466811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10827 (or 10824 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 2251466811 is about 47449.6239289628. The cubic root of 2251466811 is about 1310.6553857902.

The spelling of 2251466811 in words is "two billion, two hundred fifty-one million, four hundred sixty-six thousand, eight hundred eleven".