1056291011 has 4 divisors (see below), whose sum is σ = 1056393000. Its totient is φ = 1056189024.

The previous prime is 1056290999. The next prime is 1056291023. The reversal of 1056291011 is 1101926501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1056290999) and next prime (1056291023).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056291011 is a prime.

It is a super-2 number, since 2×1056291011² = 2231501399838804242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056291091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33446 + ... + 56843.

It is an arithmetic number, because the mean of its divisors is an integer number (264098250).

Almost surely, 2^1056291011 is an apocalyptic number.

1056291011 is a deficient number, since it is larger than the sum of its proper divisors (101989).

1056291011 is an equidigital number, since it uses as much as digits as its factorization.

1056291011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101988.

The product of its (nonzero) digits is 540, while the sum is 26.

The square root of 1056291011 is about 32500.6309323373. The cubic root of 1056291011 is about 1018.4222085366.

The spelling of 1056291011 in words is "one billion, fifty-six million, two hundred ninety-one thousand, eleven".