1000056881895 has 8 divisors (see below), whose sum is σ = 1600091011056. Its totient is φ = 533363670336.

The previous prime is 1000056881861. The next prime is 1000056881897. The reversal of 1000056881895 is 5981886500001.

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

It is not a de Polignac number, because 1000056881895 - 2¹³ = 1000056873703 is a prime.

It is a super-2 number, since 2×1000056881895² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000056881897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33335229382 + ... + 33335229411.

It is an arithmetic number, because the mean of its divisors is an integer number (200011376382).

Almost surely, 2^{1000056881895} is an apocalyptic number.

1000056881895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1000056881895 is a deficient number, since it is larger than the sum of its proper divisors (600034129161).

1000056881895 is an equidigital number, since it uses as much as digits as its factorization.

1000056881895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66670458801.

The product of its (nonzero) digits is 691200, while the sum is 51.

The spelling of 1000056881895 in words is "one trillion, fifty-six million, eight hundred eighty-one thousand, eight hundred ninety-five".