1001056557112 has 8 divisors (see below), whose sum is σ = 1876981044600. Its totient is φ = 500528278552.

The previous prime is 1001056557097. The next prime is 1001056557121. The reversal of 1001056557112 is 2117556501001.

1001056557112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1001056557112² (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, 62566034812 + ... + 62566034827.

It is an arithmetic number, because the mean of its divisors is an integer number (234622630575).

Almost surely, 2^{1001056557112} is an apocalyptic number.

It is an amenable number.

1001056557112 is a deficient number, since it is larger than the sum of its proper divisors (875924487488).

1001056557112 is a wasteful number, since it uses less digits than its factorization.

1001056557112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125132069645 (or 125132069641 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 34.

The spelling of 1001056557112 in words is "one trillion, one billion, fifty-six million, five hundred fifty-seven thousand, one hundred twelve".