214305555551 has 8 divisors (see below), whose sum is σ = 214613902944. Its totient is φ = 213997308640.

The previous prime is 214305555521. The next prime is 214305555559. The reversal of 214305555551 is 155555503412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214305555551 is a prime.

It is a super-2 number, since 2×214305555551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214305555499 and 214305555508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214305555559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4936526 + ... + 4979748.

It is an arithmetic number, because the mean of its divisors is an integer number (26826737868).

Almost surely, 2^214305555551 is an apocalyptic number.

214305555551 is a deficient number, since it is larger than the sum of its proper divisors (308347393).

214305555551 is an equidigital number, since it uses as much as digits as its factorization.

214305555551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50241.

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 214305555551 in words is "two hundred fourteen billion, three hundred five million, five hundred fifty-five thousand, five hundred fifty-one".