1056606121543 has 8 divisors (see below), whose sum is σ = 1207669104288. Its totient is φ = 905572951584.

The previous prime is 1056606121517. The next prime is 1056606121567. The reversal of 1056606121543 is 3451216066501.

It is a happy number.

1056606121543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1056606121543 - 2²¹ = 1056604024391 is a prime.

It is a super-2 number, since 2×1056606121543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056606121496 and 1056606121505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056606121513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7377196 + ... + 7519057.

It is an arithmetic number, because the mean of its divisors is an integer number (150958638036).

Almost surely, 2^{1056606121543} is an apocalyptic number.

1056606121543 is a deficient number, since it is larger than the sum of its proper divisors (151062982745).

1056606121543 is a wasteful number, since it uses less digits than its factorization.

1056606121543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14906393.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 1056606121543 in words is "one trillion, fifty-six billion, six hundred six million, one hundred twenty-one thousand, five hundred forty-three".