1056016005 has 48 divisors (see below), whose sum is σ = 1921328640. Its totient is φ = 494327680.

The previous prime is 1056015971. The next prime is 1056016007. The reversal of 1056016005 is 5006106501.

It is not a de Polignac number, because 1056016005 - 2⁶ = 1056015941 is a prime.

It is a super-2 number, since 2×1056016005² = 2230339605632320050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056016007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42604 + ... + 62666.

It is an arithmetic number, because the mean of its divisors is an integer number (40027680).

Almost surely, 2^1056016005 is an apocalyptic number.

1056016005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1056016005 is a deficient number, since it is larger than the sum of its proper divisors (865312635).

1056016005 is a wasteful number, since it uses less digits than its factorization.

1056016005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20122 (or 20111 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1056016005 is about 32496.3998775249. The cubic root of 1056016005 is about 1018.3338185872. Note that the first 3 decimals are identical.

It can be divided in two parts, 10560 and 16005, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 1056016005 in words is "one billion, fifty-six million, sixteen thousand, five".