100404005305 has 32 divisors (see below), whose sum is σ = 129482841600. Its totient is φ = 74545016832.

The previous prime is 100404005243. The next prime is 100404005323. The reversal of 100404005305 is 503500404001.

It is a cyclic number.

It is not a de Polignac number, because 100404005305 - 2¹¹ = 100404003257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1494681 + ... + 1560409.

It is an arithmetic number, because the mean of its divisors is an integer number (4046338800).

Almost surely, 2^100404005305 is an apocalyptic number.

It is an amenable number.

100404005305 is a deficient number, since it is larger than the sum of its proper divisors (29078836295).

100404005305 is a wasteful number, since it uses less digits than its factorization.

100404005305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66153.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 100404005305 its reverse (503500404001), we get a palindrome (603904409306).

The spelling of 100404005305 in words is "one hundred billion, four hundred four million, five thousand, three hundred five".