110987120729 has 2 divisors, whose sum is σ = 110987120730. Its totient is φ = 110987120728.

The previous prime is 110987120689. The next prime is 110987120749. The reversal of 110987120729 is 927021789011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75761461504 + 35225659225 = 275248^2 + 187685^2 .

It is a cyclic number.

It is not a de Polignac number, because 110987120729 - 2⁸ = 110987120473 is a prime.

It is not a weakly prime, because it can be changed into another prime (110987120749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55493560364 + 55493560365.

It is an arithmetic number, because the mean of its divisors is an integer number (55493560365).

Almost surely, 2^110987120729 is an apocalyptic number.

It is an amenable number.

110987120729 is a deficient number, since it is larger than the sum of its proper divisors (1).

110987120729 is an equidigital number, since it uses as much as digits as its factorization.

110987120729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 47.

The spelling of 110987120729 in words is "one hundred ten billion, nine hundred eighty-seven million, one hundred twenty thousand, seven hundred twenty-nine".