6660111011504 has 20 divisors (see below), whose sum is σ = 12905545350864. Its totient is φ = 3329647695168.

The previous prime is 6660111011501. The next prime is 6660111011509. The reversal of 6660111011504 is 4051101110666.

It is a super-3 number, since 3×6660111011504³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6660111011501) 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, 25353407 + ... + 25614750.

Almost surely, 2^{6660111011504} is an apocalyptic number.

It is an amenable number.

6660111011504 is a deficient number, since it is larger than the sum of its proper divisors (6245434339360).

6660111011504 is a wasteful number, since it uses less digits than its factorization.

6660111011504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50976332 (or 50976326 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 6660111011504 in words is "six trillion, six hundred sixty billion, one hundred eleven million, eleven thousand, five hundred four".