1056055555101 has 16 divisors (see below), whose sum is σ = 1412070450560. Its totient is φ = 702039441600.

The previous prime is 1056055555067. The next prime is 1056055555111. The reversal of 1056055555101 is 1015555506501.

It is not a de Polignac number, because 1056055555101 - 2²² = 1056051360797 is a prime.

It is a super-3 number, since 3×1056055555101³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1056055555101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056055555111) 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, 7403151 + ... + 7544451.

It is an arithmetic number, because the mean of its divisors is an integer number (88254403160).

Almost surely, 2^{1056055555101} is an apocalyptic number.

It is an amenable number.

1056055555101 is a deficient number, since it is larger than the sum of its proper divisors (356014895459).

1056055555101 is a wasteful number, since it uses less digits than its factorization.

1056055555101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148356.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 1056055555101 in words is "one trillion, fifty-six billion, fifty-five million, five hundred fifty-five thousand, one hundred one".