110871861361 has 2 divisors, whose sum is σ = 110871861362. Its totient is φ = 110871861360.

The previous prime is 110871861323. The next prime is 110871861371. The reversal of 110871861361 is 163168178011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104655485025 + 6216376336 = 323505^2 + 78844^2 .

It is a cyclic number.

It is not a de Polignac number, because 110871861361 - 2¹¹ = 110871859313 is a prime.

It is not a weakly prime, because it can be changed into another prime (110871861371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55435930680 + 55435930681.

It is an arithmetic number, because the mean of its divisors is an integer number (55435930681).

Almost surely, 2^110871861361 is an apocalyptic number.

It is an amenable number.

110871861361 is a deficient number, since it is larger than the sum of its proper divisors (1).

110871861361 is an equidigital number, since it uses as much as digits as its factorization.

110871861361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 43.

The spelling of 110871861361 in words is "one hundred ten billion, eight hundred seventy-one million, eight hundred sixty-one thousand, three hundred sixty-one".