1056005567 has 8 divisors (see below), whose sum is σ = 1109769936. Its totient is φ = 1003568832.

The previous prime is 1056005563. The next prime is 1056005591. The reversal of 1056005567 is 7655006501.

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

It is a cyclic number.

It is not a de Polignac number, because 1056005567 - 2² = 1056005563 is a prime.

It is a super-2 number, since 2×1056005567² = 2230295515069982978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056005563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330278 + ... + 333459.

It is an arithmetic number, because the mean of its divisors is an integer number (138721242).

Almost surely, 2^1056005567 is an apocalyptic number.

1056005567 is a deficient number, since it is larger than the sum of its proper divisors (53764369).

1056005567 is an equidigital number, since it uses as much as digits as its factorization.

1056005567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663817.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 1056005567 is about 32496.2392747222. The cubic root of 1056005567 is about 1018.3304633971.

The spelling of 1056005567 in words is "one billion, fifty-six million, five thousand, five hundred sixty-seven".