1056506102321 has 8 divisors (see below), whose sum is σ = 1103909132544. Its totient is φ = 1009225404000.

The previous prime is 1056506102293. The next prime is 1056506102329. The reversal of 1056506102321 is 1232016056501.

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

It is a cyclic number.

It is not a de Polignac number, because 1056506102321 - 2²² = 1056501908017 is a prime.

It is a super-2 number, since 2×1056506102321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056506102329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30565316 + ... + 30599861.

It is an arithmetic number, because the mean of its divisors is an integer number (137988641568).

Almost surely, 2^{1056506102321} is an apocalyptic number.

It is an amenable number.

1056506102321 is a deficient number, since it is larger than the sum of its proper divisors (47403030223).

1056506102321 is an equidigital number, since it uses as much as digits as its factorization.

1056506102321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61165951.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 1056506102321 in words is "one trillion, fifty-six billion, five hundred six million, one hundred two thousand, three hundred twenty-one".