110662812661 has 2 divisors, whose sum is σ = 110662812662. Its totient is φ = 110662812660.

The previous prime is 110662812649. The next prime is 110662812679. The reversal of 110662812661 is 166218266011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74703275761 + 35959536900 = 273319^2 + 189630^2 .

It is a cyclic number.

It is not a de Polignac number, because 110662812661 - 2²³ = 110654424053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110662812461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55331406330 + 55331406331.

It is an arithmetic number, because the mean of its divisors is an integer number (55331406331).

Almost surely, 2^110662812661 is an apocalyptic number.

It is an amenable number.

110662812661 is a deficient number, since it is larger than the sum of its proper divisors (1).

110662812661 is an equidigital number, since it uses as much as digits as its factorization.

110662812661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 110662812661 in words is "one hundred ten billion, six hundred sixty-two million, eight hundred twelve thousand, six hundred sixty-one".