100405652005 has 8 divisors (see below), whose sum is σ = 120497864472. Its totient is φ = 80317133568.

The previous prime is 100405651993. The next prime is 100405652077. The reversal of 100405652005 is 500256504001.

It can be written as a sum of positive squares in 4 ways, for example, as 36764994564 + 63640657441 = 191742^2 + 252271^2 .

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 100405652005 - 2¹⁹ = 100405127717 is a prime.

It is a Duffinian number.

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, 863352 + ... + 972721.

It is an arithmetic number, because the mean of its divisors is an integer number (15062233059).

Almost surely, 2^100405652005 is an apocalyptic number.

It is an amenable number.

100405652005 is a deficient number, since it is larger than the sum of its proper divisors (20092212467).

100405652005 is a wasteful number, since it uses less digits than its factorization.

100405652005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847015.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 100405652005 in words is "one hundred billion, four hundred five million, six hundred fifty-two thousand, five".