1056028355878 has 4 divisors (see below), whose sum is σ = 1584042533820. Its totient is φ = 528014177938.

The previous prime is 1056028355873. The next prime is 1056028355917. The reversal of 1056028355878 is 8785538206501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1056028355878² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056028355873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264007088968 + ... + 264007088971.

It is an arithmetic number, because the mean of its divisors is an integer number (396010633455).

Almost surely, 2^{1056028355878} is an apocalyptic number.

1056028355878 is a deficient number, since it is larger than the sum of its proper divisors (528014177942).

1056028355878 is an equidigital number, since it uses as much as digits as its factorization.

1056028355878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528014177941.

The product of its (nonzero) digits is 16128000, while the sum is 58.

The spelling of 1056028355878 in words is "one trillion, fifty-six billion, twenty-eight million, three hundred fifty-five thousand, eight hundred seventy-eight".