100405210045 has 16 divisors (see below), whose sum is σ = 143685469440. Its totient is φ = 65855839104.

The previous prime is 100405209967. The next prime is 100405210069. The reversal of 100405210045 is 540012504001.

It is a cyclic number.

It is not a de Polignac number, because 100405210045 - 2¹⁵ = 100405177277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100405209998 and 100405210025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62362680 + ... + 62364289.

It is an arithmetic number, because the mean of its divisors is an integer number (8980341840).

Almost surely, 2^100405210045 is an apocalyptic number.

It is an amenable number.

100405210045 is a deficient number, since it is larger than the sum of its proper divisors (43280259395).

100405210045 is a wasteful number, since it uses less digits than its factorization.

100405210045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124727004.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 100405210045 its reverse (540012504001), we get a palindrome (640417714046).

The spelling of 100405210045 in words is "one hundred billion, four hundred five million, two hundred ten thousand, forty-five".