1055857605578 has 16 divisors (see below), whose sum is σ = 1614192675840. Its totient is φ = 517886794656.

The previous prime is 1055857605563. The next prime is 1055857605601. The reversal of 1055857605578 is 8755067585501.

It is a super-2 number, since 2×1055857605578² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055857605578.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23330876 + ... + 23376087.

It is an arithmetic number, because the mean of its divisors is an integer number (100887042240).

Almost surely, 2^{1055857605578} is an apocalyptic number.

1055857605578 is a deficient number, since it is larger than the sum of its proper divisors (558335070262).

1055857605578 is a wasteful number, since it uses less digits than its factorization.

1055857605578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46707181.

The product of its (nonzero) digits is 58800000, while the sum is 62.

The spelling of 1055857605578 in words is "one trillion, fifty-five billion, eight hundred fifty-seven million, six hundred five thousand, five hundred seventy-eight".