55700605602121 has 2 divisors, whose sum is σ = 55700605602122. Its totient is φ = 55700605602120.

The previous prime is 55700605602101. The next prime is 55700605602143. The reversal of 55700605602121 is 12120650600755.

55700605602121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40452080438025 + 15248525164096 = 6360195^2 + 3904936^2 .

It is a cyclic number.

It is not a de Polignac number, because 55700605602121 - 2²¹ = 55700603504969 is a prime.

It is not a weakly prime, because it can be changed into another prime (55700605602101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27850302801060 + 27850302801061.

It is an arithmetic number, because the mean of its divisors is an integer number (27850302801061).

Almost surely, 2^{55700605602121} is an apocalyptic number.

It is an amenable number.

55700605602121 is a deficient number, since it is larger than the sum of its proper divisors (1).

55700605602121 is an equidigital number, since it uses as much as digits as its factorization.

55700605602121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 55700605602121 in words is "fifty-five trillion, seven hundred billion, six hundred five million, six hundred two thousand, one hundred twenty-one".