110999999977 has 2 divisors, whose sum is σ = 110999999978. Its totient is φ = 110999999976.

The previous prime is 110999999927. The next prime is 111000000029. The reversal of 110999999977 is 779999999011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107581376016 + 3418623961 = 327996^2 + 58469^2 .

It is a cyclic number.

It is not a de Polignac number, because 110999999977 - 2¹⁹ = 110999475689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110999999897 and 110999999906.

It is not a weakly prime, because it can be changed into another prime (110999999917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55499999988 + 55499999989.

It is an arithmetic number, because the mean of its divisors is an integer number (55499999989).

Almost surely, 2^110999999977 is an apocalyptic number.

It is an amenable number.

110999999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

110999999977 is an equidigital number, since it uses as much as digits as its factorization.

110999999977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 234365481, while the sum is 79.

The spelling of 110999999977 in words is "one hundred ten billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred seventy-seven".