55111210305419 has 2 divisors, whose sum is σ = 55111210305420. Its totient is φ = 55111210305418.

The previous prime is 55111210305409. The next prime is 55111210305433. The reversal of 55111210305419 is 91450301211155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55111210305419 - 2²⁴ = 55111193528203 is a prime.

It is a super-2 number, since 2×55111210305419² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55111210305409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27555605152709 + 27555605152710.

It is an arithmetic number, because the mean of its divisors is an integer number (27555605152710).

Almost surely, 2^{55111210305419} is an apocalyptic number.

55111210305419 is a deficient number, since it is larger than the sum of its proper divisors (1).

55111210305419 is an equidigital number, since it uses as much as digits as its factorization.

55111210305419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 55111210305419 in words is "fifty-five trillion, one hundred eleven billion, two hundred ten million, three hundred five thousand, four hundred nineteen".