100605501065165 has 16 divisors (see below), whose sum is σ = 122708182684080. Its totient is φ = 79163399416320.

The previous prime is 100605501065149. The next prime is 100605501065171. The reversal of 100605501065165 is 561560105506001.

It can be written as a sum of positive squares in 8 ways, for example, as 12545331879721 + 88060169185444 = 3541939^2 + 9384038^2 .

It is not a de Polignac number, because 100605501065165 - 2⁴ = 100605501065149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12073367 + ... + 18627323.

It is an arithmetic number, because the mean of its divisors is an integer number (7669261417755).

Almost surely, 2^{100605501065165} is an apocalyptic number.

It is an amenable number.

100605501065165 is a deficient number, since it is larger than the sum of its proper divisors (22102681618915).

100605501065165 is an equidigital number, since it uses as much as digits as its factorization.

100605501065165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6604352.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 100605501065165 in words is "one hundred trillion, six hundred five billion, five hundred one million, sixty-five thousand, one hundred sixty-five".