1057067666055 has 24 divisors (see below), whose sum is σ = 1835637448320. Its totient is φ = 562727321280.

The previous prime is 1057067666041. The next prime is 1057067666071. The reversal of 1057067666055 is 5506667607501.

It is not a de Polignac number, because 1057067666055 - 2⁸ = 1057067665799 is a prime.

It is a super-2 number, since 2×1057067666055² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057067665992 and 1057067666010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21685815 + ... + 21734504.

It is an arithmetic number, because the mean of its divisors is an integer number (76484893680).

Almost surely, 2^{1057067666055} is an apocalyptic number.

1057067666055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1057067666055 is a deficient number, since it is larger than the sum of its proper divisors (778569782265).

1057067666055 is a wasteful number, since it uses less digits than its factorization.

1057067666055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43420871 (or 43420868 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 54.

The spelling of 1057067666055 in words is "one trillion, fifty-seven billion, sixty-seven million, six hundred sixty-six thousand, fifty-five".