1101099999977 has 2 divisors, whose sum is σ = 1101099999978. Its totient is φ = 1101099999976.

The previous prime is 1101099999973. The next prime is 1101099999997. The reversal of 1101099999977 is 7799999901011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1093204078096 + 7895921881 = 1045564^2 + 88859^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101099999977 - 2² = 1101099999973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101099999977.

It is not a weakly prime, because it can be changed into another prime (1101099999973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550549999988 + 550549999989.

It is an arithmetic number, because the mean of its divisors is an integer number (550549999989).

Almost surely, 2^{1101099999977} is an apocalyptic number.

It is an amenable number.

1101099999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101099999977 is an equidigital number, since it uses as much as digits as its factorization.

1101099999977 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 1101099999977 in words is "one trillion, one hundred one billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred seventy-seven".