110605215041257 has 2 divisors, whose sum is σ = 110605215041258. Its totient is φ = 110605215041256.

The previous prime is 110605215041219. The next prime is 110605215041339. The reversal of 110605215041257 is 752140512506011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86794172362921 + 23811042678336 = 9316339^2 + 4879656^2 .

It is a cyclic number.

It is not a de Polignac number, because 110605215041257 - 2⁷ = 110605215041129 is a prime.

It is not a weakly prime, because it can be changed into another prime (110605215041357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55302607520628 + 55302607520629.

It is an arithmetic number, because the mean of its divisors is an integer number (55302607520629).

Almost surely, 2^{110605215041257} is an apocalyptic number.

It is an amenable number.

110605215041257 is a deficient number, since it is larger than the sum of its proper divisors (1).

110605215041257 is an equidigital number, since it uses as much as digits as its factorization.

110605215041257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 40.

Adding to 110605215041257 its reverse (752140512506011), we get a palindrome (862745727547268).

The spelling of 110605215041257 in words is "one hundred ten trillion, six hundred five billion, two hundred fifteen million, forty-one thousand, two hundred fifty-seven".