1011099999953 has 2 divisors, whose sum is σ = 1011099999954. Its totient is φ = 1011099999952.

The previous prime is 1011099999947. The next prime is 1011100000007. The reversal of 1011099999953 is 3599999901101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 949936774609 + 61163225344 = 974647^2 + 247312^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011099999953 - 2¹⁰ = 1011099998929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011099999953.

It is not a weakly prime, because it can be changed into another prime (1011099999853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505549999976 + 505549999977.

It is an arithmetic number, because the mean of its divisors is an integer number (505549999977).

Almost surely, 2^{1011099999953} is an apocalyptic number.

It is an amenable number.

1011099999953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011099999953 is an equidigital number, since it uses as much as digits as its factorization.

1011099999953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7971615, while the sum is 65.

The spelling of 1011099999953 in words is "one trillion, eleven billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty-three".