999511063 has 2 divisors, whose sum is σ = 999511064. Its totient is φ = 999511062.

The previous prime is 999511043. The next prime is 999511127. The reversal of 999511063 is 360115999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999511063 - 2⁵ = 999511031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999511043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499755531 + 499755532.

It is an arithmetic number, because the mean of its divisors is an integer number (499755532).

Almost surely, 2^999511063 is an apocalyptic number.

999511063 is a deficient number, since it is larger than the sum of its proper divisors (1).

999511063 is an equidigital number, since it uses as much as digits as its factorization.

999511063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 43.

The square root of 999511063 is about 31615.0448837258. The cubic root of 999511063 is about 999.8369944306.

The spelling of 999511063 in words is "nine hundred ninety-nine million, five hundred eleven thousand, sixty-three".