1001515665055 has 8 divisors (see below), whose sum is σ = 1202191012800. Its totient is φ = 800964388896.

The previous prime is 1001515664987. The next prime is 1001515665083. The reversal of 1001515665055 is 5505665151001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001515665055 - 2⁹ = 1001515664543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001515664999 and 1001515665017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31000135 + ... + 31032424.

It is an arithmetic number, because the mean of its divisors is an integer number (150273876600).

Almost surely, 2^{1001515665055} is an apocalyptic number.

1001515665055 is a deficient number, since it is larger than the sum of its proper divisors (200675347745).

1001515665055 is an equidigital number, since it uses as much as digits as its factorization.

1001515665055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62035793.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 1001515665055 in words is "one trillion, one billion, five hundred fifteen million, six hundred sixty-five thousand, fifty-five".