1056105611055 has 48 divisors (see below), whose sum is σ = 2102104967040. Its totient is φ = 485101137600.

The previous prime is 1056105611009. The next prime is 1056105611063. The reversal of 1056105611055 is 5501165016501.

It is a happy number.

It is not a de Polignac number, because 1056105611055 - 2¹⁰ = 1056105610031 is a prime.

It is a super-2 number, since 2×1056105611055² (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 47 ways as a sum of consecutive naturals, for example, 56136561 + ... + 56155370.

It is an arithmetic number, because the mean of its divisors is an integer number (43793853480).

Almost surely, 2^{1056105611055} is an apocalyptic number.

1056105611055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1056105611055 is a deficient number, since it is larger than the sum of its proper divisors (1045999355985).

1056105611055 is a wasteful number, since it uses less digits than its factorization.

1056105611055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112291972 (or 112291969 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 1056105611055 in words is "one trillion, fifty-six billion, one hundred five million, six hundred eleven thousand, fifty-five".