1098118751 has 2 divisors, whose sum is σ = 1098118752. Its totient is φ = 1098118750.

The previous prime is 1098118729. The next prime is 1098118753. The reversal of 1098118751 is 1578118901.

It is a strong prime.

It is an emirp because it is prime and its reverse (1578118901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1098118751 is a prime.

It is a Sophie Germain prime.

Together with 1098118753, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1098118699 and 1098118708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098118753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549059375 + 549059376.

It is an arithmetic number, because the mean of its divisors is an integer number (549059376).

Almost surely, 2^1098118751 is an apocalyptic number.

1098118751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098118751 is an equidigital number, since it uses as much as digits as its factorization.

1098118751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 41.

The square root of 1098118751 is about 33137.8748715122. The cubic root of 1098118751 is about 1031.6913021046.

The spelling of 1098118751 in words is "one billion, ninety-eight million, one hundred eighteen thousand, seven hundred fifty-one".