1056616642405 has 8 divisors (see below), whose sum is σ = 1268459420184. Its totient is φ = 844947014400.

The previous prime is 1056616642381. The next prime is 1056616642429. The reversal of 1056616642405 is 5042466166501.

1056616642405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1056616642381) and next prime (1056616642429).

It can be written as a sum of positive squares in 4 ways, for example, as 30494239876 + 1026122402529 = 174626^2 + 1012977^2 .

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

It is not a de Polignac number, because 1056616642405 - 2⁵ = 1056616642373 is a prime.

It is a super-2 number, since 2×1056616642405² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43274016 + ... + 43298425.

It is an arithmetic number, because the mean of its divisors is an integer number (158557427523).

Almost surely, 2^{1056616642405} is an apocalyptic number.

It is an amenable number.

1056616642405 is a deficient number, since it is larger than the sum of its proper divisors (211842777779).

1056616642405 is an equidigital number, since it uses as much as digits as its factorization.

1056616642405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86574887.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 1056616642405 in words is "one trillion, fifty-six billion, six hundred sixteen million, six hundred forty-two thousand, four hundred five".