1056100511105 has 8 divisors (see below), whose sum is σ = 1267804154664. Its totient is φ = 844558048000.

The previous prime is 1056100511099. The next prime is 1056100511149. The reversal of 1056100511105 is 5011150016501.

It can be written as a sum of positive squares in 4 ways, for example, as 330782568769 + 725317942336 = 575137^2 + 851656^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1056100511105 - 2²⁶ = 1056033402241 is a prime.

It is a super-2 number, since 2×1056100511105² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 40280696 + ... + 40306905.

It is an arithmetic number, because the mean of its divisors is an integer number (158475519333).

Almost surely, 2^{1056100511105} is an apocalyptic number.

It is an amenable number.

1056100511105 is a deficient number, since it is larger than the sum of its proper divisors (211703643559).

1056100511105 is an equidigital number, since it uses as much as digits as its factorization.

1056100511105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80590227.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 1056100511105 its reverse (5011150016501), we get a palindrome (6067250527606).

The spelling of 1056100511105 in words is "one trillion, fifty-six billion, one hundred million, five hundred eleven thousand, one hundred five".