10111001018 has 4 divisors (see below), whose sum is σ = 15166501530. Its totient is φ = 5055500508.

The previous prime is 10111001011. The next prime is 10111001053. The reversal of 10111001018 is 81010011101.

It is a happy number.

10111001018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81010011101 = 1637 ⋅49486873.

It can be written as a sum of positive squares in only one way, i.e., 9544703809 + 566297209 = 97697^2 + 23797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10111000993 and 10111001011.

It is not an unprimeable number, because it can be changed into a prime (10111001011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527750253 + ... + 2527750256.

Almost surely, 2^10111001018 is an apocalyptic number.

10111001018 is a deficient number, since it is larger than the sum of its proper divisors (5055500512).

10111001018 is an equidigital number, since it uses as much as digits as its factorization.

10111001018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055500511.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10111001018 its reverse (81010011101), we get a palindrome (91121012119).

The spelling of 10111001018 in words is "ten billion, one hundred eleven million, one thousand, eighteen".