1001055599964 has 48 divisors (see below), whose sum is σ = 2966090668800. Its totient is φ = 286015885488.

The previous prime is 1001055599939. The next prime is 1001055599987. The reversal of 1001055599964 is 4699955501001.

1001055599964 is a `hidden beast` number, since 10 + 0 + 10 + 5 + 559 + 9 + 9 + 64 = 666.

It is a super-2 number, since 2×1001055599964² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1001055599964.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662073054 + ... + 662074565.

It is an arithmetic number, because the mean of its divisors is an integer number (61793555600).

Almost surely, 2^{1001055599964} is an apocalyptic number.

1001055599964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1001055599964 is an abundant number, since it is smaller than the sum of its proper divisors (1965035068836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001055599964 is a wasteful number, since it uses less digits than its factorization.

1001055599964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324147639 (or 1324147631 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 54.

The spelling of 1001055599964 in words is "one trillion, one billion, fifty-five million, five hundred ninety-nine thousand, nine hundred sixty-four".