1055510878823 has 2 divisors, whose sum is σ = 1055510878824. Its totient is φ = 1055510878822.

The previous prime is 1055510878801. The next prime is 1055510878883. The reversal of 1055510878823 is 3288780155501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1055510878823 - 2³⁸ = 780632971879 is a prime.

It is a super-2 number, since 2×1055510878823² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055510878883) 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, 527755439411 + 527755439412.

It is an arithmetic number, because the mean of its divisors is an integer number (527755439412).

Almost surely, 2^{1055510878823} is an apocalyptic number.

1055510878823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055510878823 is an equidigital number, since it uses as much as digits as its factorization.

1055510878823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688000, while the sum is 53.

The spelling of 1055510878823 in words is "one trillion, fifty-five billion, five hundred ten million, eight hundred seventy-eight thousand, eight hundred twenty-three".