100914550505 has 4 divisors (see below), whose sum is σ = 121097460612. Its totient is φ = 80731640400.

The previous prime is 100914550501. The next prime is 100914550553. The reversal of 100914550505 is 505055419001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21157447936 + 79757102569 = 145456^2 + 282413^2 .

It is not a de Polignac number, because 100914550505 - 2² = 100914550501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100914550501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10091455046 + ... + 10091455055.

It is an arithmetic number, because the mean of its divisors is an integer number (30274365153).

Almost surely, 2^100914550505 is an apocalyptic number.

It is an amenable number.

100914550505 is a deficient number, since it is larger than the sum of its proper divisors (20182910107).

100914550505 is an equidigital number, since it uses as much as digits as its factorization.

100914550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20182910106.

The product of its (nonzero) digits is 22500, while the sum is 35.

Adding to 100914550505 its reverse (505055419001), we get a palindrome (605969969506).

The spelling of 100914550505 in words is "one hundred billion, nine hundred fourteen million, five hundred fifty thousand, five hundred five".