1055558561175 has 60 divisors (see below), whose sum is σ = 2022682188120. Its totient is φ = 543551964480.

The previous prime is 1055558561159. The next prime is 1055558561209. The reversal of 1055558561175 is 5711658555501.

It is a happy number.

1055558561175 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 5 + 5 + 8 + 561 + 1 + 75 = 666.

It is not a de Polignac number, because 1055558561175 - 2⁴ = 1055558561159 is a prime.

It is a super-2 number, since 2×1055558561175² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 8928577 + ... + 9046026.

It is an arithmetic number, because the mean of its divisors is an integer number (33711369802).

Almost surely, 2^{1055558561175} is an apocalyptic number.

1055558561175 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1055558561175 is a deficient number, since it is larger than the sum of its proper divisors (967123626945).

1055558561175 is a wasteful number, since it uses less digits than its factorization.

1055558561175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17974654 (or 17974640 counting only the distinct ones).

The product of its (nonzero) digits is 5250000, while the sum is 54.

The spelling of 1055558561175 in words is "one trillion, fifty-five billion, five hundred fifty-eight million, five hundred sixty-one thousand, one hundred seventy-five".