108451189999 has 2 divisors, whose sum is σ = 108451190000. Its totient is φ = 108451189998.

The previous prime is 108451189993. The next prime is 108451190069. The reversal of 108451189999 is 999981154801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108451189999 - 2⁷ = 108451189871 is a prime.

It is a super-2 number, since 2×108451189999² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108451189999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108451189993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54225594999 + 54225595000.

It is an arithmetic number, because the mean of its divisors is an integer number (54225595000).

Almost surely, 2^108451189999 is an apocalyptic number.

108451189999 is a deficient number, since it is larger than the sum of its proper divisors (1).

108451189999 is an equidigital number, since it uses as much as digits as its factorization.

108451189999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 64.

The spelling of 108451189999 in words is "one hundred eight billion, four hundred fifty-one million, one hundred eighty-nine thousand, nine hundred ninety-nine".