61110602107 has 2 divisors, whose sum is σ = 61110602108. Its totient is φ = 61110602106.

The previous prime is 61110602053. The next prime is 61110602141. The reversal of 61110602107 is 70120601116.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61110602107 - 2²⁷ = 60976384379 is a prime.

It is not a weakly prime, because it can be changed into another prime (61110602507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30555301053 + 30555301054.

It is an arithmetic number, because the mean of its divisors is an integer number (30555301054).

Almost surely, 2^61110602107 is an apocalyptic number.

61110602107 is a deficient number, since it is larger than the sum of its proper divisors (1).

61110602107 is an equidigital number, since it uses as much as digits as its factorization.

61110602107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

Subtracting 61110602107 from its reverse (70120601116), we obtain a palindrome (9009999009).

The spelling of 61110602107 in words is "sixty-one billion, one hundred ten million, six hundred two thousand, one hundred seven".