1056011361 has 4 divisors (see below), whose sum is σ = 1408015152. Its totient is φ = 704007572.

The previous prime is 1056011353. The next prime is 1056011381. The reversal of 1056011361 is 1631106501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1056011361 - 2³ = 1056011353 is a prime.

It is a super-2 number, since 2×1056011361² = 2230319989122144642, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1056011381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176001891 + ... + 176001896.

It is an arithmetic number, because the mean of its divisors is an integer number (352003788).

Almost surely, 2^1056011361 is an apocalyptic number.

It is an amenable number.

1056011361 is a deficient number, since it is larger than the sum of its proper divisors (352003791).

1056011361 is an equidigital number, since it uses as much as digits as its factorization.

1056011361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352003790.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1056011361 is about 32496.3284233773. The cubic root of 1056011361 is about 1018.3323258229.

Adding to 1056011361 its reverse (1631106501), we get a palindrome (2687117862).

The spelling of 1056011361 in words is "one billion, fifty-six million, eleven thousand, three hundred sixty-one".