100435604505 has 16 divisors (see below), whose sum is σ = 161120978880. Its totient is φ = 53424318528.

The previous prime is 100435604501. The next prime is 100435604537. The reversal of 100435604505 is 505406534001.

It is not a de Polignac number, because 100435604505 - 2² = 100435604501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100435604501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8827702 + ... + 8839071.

It is an arithmetic number, because the mean of its divisors is an integer number (10070061180).

Almost surely, 2^100435604505 is an apocalyptic number.

100435604505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100435604505 is a deficient number, since it is larger than the sum of its proper divisors (60685374375).

100435604505 is a wasteful number, since it uses less digits than its factorization.

100435604505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17667160.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 100435604505 in words is "one hundred billion, four hundred thirty-five million, six hundred four thousand, five hundred five".