10118920919 has 2 divisors, whose sum is σ = 10118920920. Its totient is φ = 10118920918.

The previous prime is 10118920907. The next prime is 10118920979. The reversal of 10118920919 is 91902981101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10118920919 is a prime.

It is a super-2 number, since 2×10118920919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10118920979) 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, 5059460459 + 5059460460.

It is an arithmetic number, because the mean of its divisors is an integer number (5059460460).

Almost surely, 2^10118920919 is an apocalyptic number.

10118920919 is a deficient number, since it is larger than the sum of its proper divisors (1).

10118920919 is an equidigital number, since it uses as much as digits as its factorization.

10118920919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 41.

The spelling of 10118920919 in words is "ten billion, one hundred eighteen million, nine hundred twenty thousand, nine hundred nineteen".