1001005600064 has 56 divisors (see below), whose sum is σ = 1991517480000. Its totient is φ = 499206758400.

The previous prime is 1001005600061. The next prime is 1001005600081. The reversal of 1001005600064 is 4600065001001.

It is a super-2 number, since 2×1001005600064² (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 (1001005600061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116405237 + ... + 116413835.

Almost surely, 2^{1001005600064} is an apocalyptic number.

It is an amenable number.

1001005600064 is a deficient number, since it is larger than the sum of its proper divisors (990511879936).

1001005600064 is an equidigital number, since it uses as much as digits as its factorization.

1001005600064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13111 (or 13101 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 1001005600064 in words is "one trillion, one billion, five million, six hundred thousand, sixty-four".