1055556413188 has 6 divisors (see below), whose sum is σ = 1847223723086. Its totient is φ = 527778206592.

The previous prime is 1055556413179. The next prime is 1055556413213. The reversal of 1055556413188 is 8813146555501.

It can be written as a sum of positive squares in only one way, i.e., 933190776324 + 122365636864 = 966018^2 + 349808^2 .

It is a super-2 number, since 2×1055556413188² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131944551645 + ... + 131944551652.

Almost surely, 2^{1055556413188} is an apocalyptic number.

It is an amenable number.

1055556413188 is a deficient number, since it is larger than the sum of its proper divisors (791667309898).

1055556413188 is a wasteful number, since it uses less digits than its factorization.

1055556413188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263889103301 (or 263889103299 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 52.

The spelling of 1055556413188 in words is "one trillion, fifty-five billion, five hundred fifty-six million, four hundred thirteen thousand, one hundred eighty-eight".