211055451 has 16 divisors (see below), whose sum is σ = 283745280. Its totient is φ = 139540320.

The previous prime is 211055443. The next prime is 211055473. The reversal of 211055451 is 154550112.

It is not a de Polignac number, because 211055451 - 2³ = 211055443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211055431) 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, 259836 + ... + 260646.

It is an arithmetic number, because the mean of its divisors is an integer number (17734080).

Almost surely, 2^211055451 is an apocalyptic number.

211055451 is a deficient number, since it is larger than the sum of its proper divisors (72689829).

211055451 is a wasteful number, since it uses less digits than its factorization.

211055451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 211055451 is about 14527.7476230832. The cubic root of 211055451 is about 595.3863282085.

The spelling of 211055451 in words is "two hundred eleven million, fifty-five thousand, four hundred fifty-one".