211312425451 has 2 divisors, whose sum is σ = 211312425452. Its totient is φ = 211312425450.

The previous prime is 211312425413. The next prime is 211312425463. The reversal of 211312425451 is 154524213112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211312425451 - 2¹⁷ = 211312294379 is a prime.

It is a super-2 number, since 2×211312425451² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211312425251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105656212725 + 105656212726.

It is an arithmetic number, because the mean of its divisors is an integer number (105656212726).

Almost surely, 2^211312425451 is an apocalyptic number.

211312425451 is a deficient number, since it is larger than the sum of its proper divisors (1).

211312425451 is an equidigital number, since it uses as much as digits as its factorization.

211312425451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 31.

Adding to 211312425451 its reverse (154524213112), we get a palindrome (365836638563).

The spelling of 211312425451 in words is "two hundred eleven billion, three hundred twelve million, four hundred twenty-five thousand, four hundred fifty-one".