1011000500099 has 2 divisors, whose sum is σ = 1011000500100. Its totient is φ = 1011000500098.

The previous prime is 1011000500089. The next prime is 1011000500183. The reversal of 1011000500099 is 9900050001101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011000500099 - 2⁸ = 1011000499843 is a prime.

It is a super-2 number, since 2×1011000500099² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1011000500009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505500250049 + 505500250050.

It is an arithmetic number, because the mean of its divisors is an integer number (505500250050).

Almost surely, 2^{1011000500099} is an apocalyptic number.

1011000500099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011000500099 is an equidigital number, since it uses as much as digits as its factorization.

1011000500099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 26.

The spelling of 1011000500099 in words is "one trillion, eleven billion, five hundred thousand, ninety-nine".