100666065516511 has 8 divisors (see below), whose sum is σ = 109817605909584. Its totient is φ = 91514538438720.

The previous prime is 100666065516491. The next prime is 100666065516551. The reversal of 100666065516511 is 115615560666001.

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 100666065516511 - 2⁵ = 100666065516479 is a prime.

It is a super-2 number, since 2×100666065516511² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100666065516551) 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, 18978115 + ... + 23696011.

It is an arithmetic number, because the mean of its divisors is an integer number (13727200738698).

Almost surely, 2^{100666065516511} is an apocalyptic number.

100666065516511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100666065516511 is a deficient number, since it is larger than the sum of its proper divisors (9151540393073).

100666065516511 is a wasteful number, since it uses less digits than its factorization.

100666065516511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657641.

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 100666065516511 in words is "one hundred trillion, six hundred sixty-six billion, sixty-five million, five hundred sixteen thousand, five hundred eleven".