1055600111566 has 32 divisors (see below), whose sum is σ = 2125963865088. Its totient is φ = 379636403040.

The previous prime is 1055600111557. The next prime is 1055600111567. The reversal of 1055600111566 is 6651110065501.

It is a super-2 number, since 2×1055600111566² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055600111567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263634390 + ... + 263638393.

It is an arithmetic number, because the mean of its divisors is an integer number (66436370784).

Almost surely, 2^{1055600111566} is an apocalyptic number.

1055600111566 is an abundant number, since it is smaller than the sum of its proper divisors (1070363753522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055600111566 is a wasteful number, since it uses less digits than its factorization.

1055600111566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527272816.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 1055600111566 in words is "one trillion, fifty-five billion, six hundred million, one hundred eleven thousand, five hundred sixty-six".