110997903881 has 2 divisors, whose sum is σ = 110997903882. Its totient is φ = 110997903880.

The previous prime is 110997903859. The next prime is 110997903893. The reversal of 110997903881 is 188309799011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69242659600 + 41755244281 = 263140^2 + 204341^2 .

It is an emirp because it is prime and its reverse (188309799011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110997903881 - 2⁶ = 110997903817 is a prime.

It is a super-2 number, since 2×110997903881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110997903781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55498951940 + 55498951941.

It is an arithmetic number, because the mean of its divisors is an integer number (55498951941).

Almost surely, 2^110997903881 is an apocalyptic number.

It is an amenable number.

110997903881 is a deficient number, since it is larger than the sum of its proper divisors (1).

110997903881 is an equidigital number, since it uses as much as digits as its factorization.

110997903881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 56.

The spelling of 110997903881 in words is "one hundred ten billion, nine hundred ninety-seven million, nine hundred three thousand, eight hundred eighty-one".