1056050000509 has 32 divisors (see below), whose sum is σ = 1254187929600. Its totient is φ = 870422193600.

The previous prime is 1056050000461. The next prime is 1056050000549. The reversal of 1056050000509 is 9050000506501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1056050000509 - 2⁷ = 1056050000381 is a prime.

It is a super-2 number, since 2×1056050000509² (a number of 25 digits) 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 (1056050000549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36886002 + ... + 36914620.

It is an arithmetic number, because the mean of its divisors is an integer number (39193372800).

Almost surely, 2^{1056050000509} is an apocalyptic number.

It is an amenable number.

1056050000509 is a deficient number, since it is larger than the sum of its proper divisors (198137929091).

1056050000509 is a wasteful number, since it uses less digits than its factorization.

1056050000509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30633.

The product of its (nonzero) digits is 6750, while the sum is 31.

The spelling of 1056050000509 in words is "one trillion, fifty-six billion, fifty million, five hundred nine", and thus it is an aban number.