1055510878807 has 12 divisors (see below), whose sum is σ = 1339460930376. Its totient is φ = 822476009040.

The previous prime is 1055510878801. The next prime is 1055510878823. The reversal of 1055510878807 is 7088780155501.

It is a happy number.

It is not a de Polignac number, because 1055510878807 - 2¹¹ = 1055510876759 is a prime.

It is a super-2 number, since 2×1055510878807² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055510878801) 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 in 11 ways as a sum of consecutive naturals, for example, 979137568 + ... + 979138645.

It is an arithmetic number, because the mean of its divisors is an integer number (111621744198).

Almost surely, 2^{1055510878807} is an apocalyptic number.

1055510878807 is a deficient number, since it is larger than the sum of its proper divisors (283950051569).

1055510878807 is a wasteful number, since it uses less digits than its factorization.

1055510878807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958276238 (or 1958276231 counting only the distinct ones).

The product of its (nonzero) digits is 3136000, while the sum is 55.

The spelling of 1055510878807 in words is "one trillion, fifty-five billion, five hundred ten million, eight hundred seventy-eight thousand, eight hundred seven".