100666655511 has 8 divisors (see below), whose sum is σ = 134606799600. Its totient is φ = 66918807552.

The previous prime is 100666655497. The next prime is 100666655611. The reversal of 100666655511 is 115556666001.

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

It is not a de Polignac number, because 100666655511 - 2¹¹ = 100666653463 is a prime.

It is a super-2 number, since 2×100666655511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100666655311) 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, 48072810 + ... + 48074903.

It is an arithmetic number, because the mean of its divisors is an integer number (16825849950).

Almost surely, 2^100666655511 is an apocalyptic number.

100666655511 is a deficient number, since it is larger than the sum of its proper divisors (33940144089).

100666655511 is an equidigital number, since it uses as much as digits as its factorization.

100666655511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96148065.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 100666655511 in words is "one hundred billion, six hundred sixty-six million, six hundred fifty-five thousand, five hundred eleven".