100230500505 has 32 divisors (see below), whose sum is σ = 160962012288. Its totient is φ = 53258688000.

The previous prime is 100230500501. The next prime is 100230500521. The reversal of 100230500505 is 505005032001.

It is not a de Polignac number, because 100230500505 - 2² = 100230500501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100230500501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17040165 + ... + 17046045.

It is an arithmetic number, because the mean of its divisors is an integer number (5030062884).

Almost surely, 2^100230500505 is an apocalyptic number.

100230500505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100230500505 is a deficient number, since it is larger than the sum of its proper divisors (60731511783).

100230500505 is a wasteful number, since it uses less digits than its factorization.

100230500505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9897.

The product of its (nonzero) digits is 750, while the sum is 21.

Adding to 100230500505 its reverse (505005032001), we get a palindrome (605235532506).

The spelling of 100230500505 in words is "one hundred billion, two hundred thirty million, five hundred thousand, five hundred five".