1010811899 has 2 divisors, whose sum is σ = 1010811900. Its totient is φ = 1010811898.

The previous prime is 1010811883. The next prime is 1010811937. The reversal of 1010811899 is 9981180101.

It is an a-pointer prime, because the next prime (1010811937) can be obtained adding 1010811899 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010811899 - 2⁴ = 1010811883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010811829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505405949 + 505405950.

It is an arithmetic number, because the mean of its divisors is an integer number (505405950).

Almost surely, 2^1010811899 is an apocalyptic number.

1010811899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010811899 is an equidigital number, since it uses as much as digits as its factorization.

1010811899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 38.

The square root of 1010811899 is about 31793.2681396550. The cubic root of 1010811899 is about 1003.5910552194.

The spelling of 1010811899 in words is "one billion, ten million, eight hundred eleven thousand, eight hundred ninety-nine".