1056641184309 has 32 divisors (see below), whose sum is σ = 1498843906560. Its totient is φ = 660255710400.

The previous prime is 1056641184289. The next prime is 1056641184317. The reversal of 1056641184309 is 9034811466501.

1056641184309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1056641184309 - 2²⁵ = 1056607629877 is a prime.

It is a super-2 number, since 2×1056641184309² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056641184409) 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, 2257819 + ... + 2685335.

It is an arithmetic number, because the mean of its divisors is an integer number (46838872080).

Almost surely, 2^{1056641184309} is an apocalyptic number.

1056641184309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1056641184309 is a deficient number, since it is larger than the sum of its proper divisors (442202722251).

1056641184309 is a wasteful number, since it uses less digits than its factorization.

1056641184309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428001.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 1056641184309 in words is "one trillion, fifty-six billion, six hundred forty-one million, one hundred eighty-four thousand, three hundred nine".