1056257827858 has 16 divisors (see below), whose sum is σ = 1604943055296. Its totient is φ = 521288454960.

The previous prime is 1056257827847. The next prime is 1056257827913. The reversal of 1056257827858 is 8587287526501.

It is a super-2 number, since 2×1056257827858² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1056257827858.

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, 2729358 + ... + 3092233.

It is an arithmetic number, because the mean of its divisors is an integer number (100308940956).

Almost surely, 2^{1056257827858} is an apocalyptic number.

1056257827858 is a deficient number, since it is larger than the sum of its proper divisors (548685227438).

1056257827858 is a wasteful number, since it uses less digits than its factorization.

1056257827858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822769.

The product of its (nonzero) digits is 75264000, while the sum is 64.

The spelling of 1056257827858 in words is "one trillion, fifty-six billion, two hundred fifty-seven million, eight hundred twenty-seven thousand, eight hundred fifty-eight".