1056534575878 has 4 divisors (see below), whose sum is σ = 1584801863820. Its totient is φ = 528267287938.

The previous prime is 1056534575843. The next prime is 1056534575909. The reversal of 1056534575878 is 8785754356501.

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

It is a super-2 number, since 2×1056534575878² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264133643968 + ... + 264133643971.

It is an arithmetic number, because the mean of its divisors is an integer number (396200465955).

Almost surely, 2^{1056534575878} is an apocalyptic number.

1056534575878 is a deficient number, since it is larger than the sum of its proper divisors (528267287942).

1056534575878 is an equidigital number, since it uses as much as digits as its factorization.

1056534575878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528267287941.

The product of its (nonzero) digits is 141120000, while the sum is 64.

The spelling of 1056534575878 in words is "one trillion, fifty-six billion, five hundred thirty-four million, five hundred seventy-five thousand, eight hundred seventy-eight".