2051113499 has 2 divisors, whose sum is σ = 2051113500. Its totient is φ = 2051113498.

The previous prime is 2051113439. The next prime is 2051113501. The reversal of 2051113499 is 9943111502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051113499 is a prime.

Together with 2051113501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2051113439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025556749 + 1025556750.

It is an arithmetic number, because the mean of its divisors is an integer number (1025556750).

Almost surely, 2^2051113499 is an apocalyptic number.

2051113499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051113499 is an equidigital number, since it uses as much as digits as its factorization.

2051113499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 2051113499 is about 45289.2205607471. The cubic root of 2051113499 is about 1270.5640537012.

The spelling of 2051113499 in words is "two billion, fifty-one million, one hundred thirteen thousand, four hundred ninety-nine".