1001055105560 has 16 divisors (see below), whose sum is σ = 2252373987600. Its totient is φ = 400422042208.

The previous prime is 1001055105539. The next prime is 1001055105569. The reversal of 1001055105560 is 655015501001.

It is a happy number.

It is a super-2 number, since 2×1001055105560² (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 (1001055105569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12513188780 + ... + 12513188859.

It is an arithmetic number, because the mean of its divisors is an integer number (140773374225).

Almost surely, 2^{1001055105560} is an apocalyptic number.

1001055105560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001055105560 is an abundant number, since it is smaller than the sum of its proper divisors (1251318882040).

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

1001055105560 is a wasteful number, since it uses less digits than its factorization.

1001055105560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25026377650 (or 25026377646 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 1001055105560 in words is "one trillion, one billion, fifty-five million, one hundred five thousand, five hundred sixty".