55111210305451 has 2 divisors, whose sum is σ = 55111210305452. Its totient is φ = 55111210305450.

The previous prime is 55111210305433. The next prime is 55111210305467. The reversal of 55111210305451 is 15450301211155.

55111210305451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55111210305451 - 2⁵ = 55111210305419 is a prime.

It is not a weakly prime, because it can be changed into another prime (55111210305401) 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, 27555605152725 + 27555605152726.

It is an arithmetic number, because the mean of its divisors is an integer number (27555605152726).

Almost surely, 2^{55111210305451} is an apocalyptic number.

55111210305451 is a deficient number, since it is larger than the sum of its proper divisors (1).

55111210305451 is an equidigital number, since it uses as much as digits as its factorization.

55111210305451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15000, while the sum is 34.

The spelling of 55111210305451 in words is "fifty-five trillion, one hundred eleven billion, two hundred ten million, three hundred five thousand, four hundred fifty-one".