110889388781 has 2 divisors, whose sum is σ = 110889388782. Its totient is φ = 110889388780.

The previous prime is 110889388769. The next prime is 110889388843. The reversal of 110889388781 is 187883988011.

It is an a-pointer prime, because the next prime (110889388843) can be obtained adding 110889388781 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103754207881 + 7135180900 = 322109^2 + 84470^2 .

It is a cyclic number.

It is not a de Polignac number, because 110889388781 - 2²² = 110885194477 is a prime.

It is a super-2 number, since 2×110889388781² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110889388751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55444694390 + 55444694391.

It is an arithmetic number, because the mean of its divisors is an integer number (55444694391).

Almost surely, 2^110889388781 is an apocalyptic number.

It is an amenable number.

110889388781 is a deficient number, since it is larger than the sum of its proper divisors (1).

110889388781 is an equidigital number, since it uses as much as digits as its factorization.

110889388781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6193152, while the sum is 62.

The spelling of 110889388781 in words is "one hundred ten billion, eight hundred eighty-nine million, three hundred eighty-eight thousand, seven hundred eighty-one".