1056115105 has 8 divisors (see below), whose sum is σ = 1298249064. Its totient is φ = 824284800.

The previous prime is 1056115097. The next prime is 1056115169. The reversal of 1056115105 is 5015116501.

It can be written as a sum of positive squares in 4 ways, for example, as 21270544 + 1034844561 = 4612^2 + 32169^2 .

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

It is not a de Polignac number, because 1056115105 - 2³ = 1056115097 is a prime.

It is a super-2 number, since 2×1056115105² = 2230758230018322050, which contains 22 as substring.

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 1056115105.

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, 2575686 + ... + 2576095.

It is an arithmetic number, because the mean of its divisors is an integer number (162281133).

Almost surely, 2^1056115105 is an apocalyptic number.

It is an amenable number.

1056115105 is a deficient number, since it is larger than the sum of its proper divisors (242133959).

1056115105 is an equidigital number, since it uses as much as digits as its factorization.

1056115105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151827.

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 1056115105 is about 32497.9246260434. The cubic root of 1056115105 is about 1018.3656721842.

The spelling of 1056115105 in words is "one billion, fifty-six million, one hundred fifteen thousand, one hundred five".