11001099999977 has 2 divisors, whose sum is σ = 11001099999978. Its totient is φ = 11001099999976.

The previous prime is 11001099999971. The next prime is 11001100000043. The reversal of 11001099999977 is 77999999010011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8158541091856 + 2842558908121 = 2856316^2 + 1685989^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001099999977 - 2⁴ = 11001099999961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11001099999977.

It is not a weakly prime, because it can be changed into another prime (11001099999971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500549999988 + 5500549999989.

It is an arithmetic number, because the mean of its divisors is an integer number (5500549999989).

Almost surely, 2^{11001099999977} is an apocalyptic number.

It is an amenable number.

11001099999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001099999977 is an equidigital number, since it uses as much as digits as its factorization.

11001099999977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26040609, while the sum is 71.

The spelling of 11001099999977 in words is "eleven trillion, one billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred seventy-seven".