1000111010051 has 2 divisors, whose sum is σ = 1000111010052. Its totient is φ = 1000111010050.

The previous prime is 1000111010033. The next prime is 1000111010117. The reversal of 1000111010051 is 1500101110001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000111010051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000111010851) 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, 500055505025 + 500055505026.

It is an arithmetic number, because the mean of its divisors is an integer number (500055505026).

Almost surely, 2^{1000111010051} is an apocalyptic number.

1000111010051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000111010051 is an equidigital number, since it uses as much as digits as its factorization.

1000111010051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5, while the sum is 11.

Adding to 1000111010051 its reverse (1500101110001), we get a palindrome (2500212120052).

The spelling of 1000111010051 in words is "one trillion, one hundred eleven million, ten thousand, fifty-one".