108100464509 has 4 divisors (see below), whose sum is σ = 108207178716. Its totient is φ = 107993750304.

The previous prime is 108100464503. The next prime is 108100464541. The reversal of 108100464509 is 905464001801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 905464001801 = 135433 ⋅6685697.

It can be written as a sum of positive squares in 2 ways, for example, as 49368396100 + 58732068409 = 222190^2 + 242347^2 .

It is a cyclic number.

It is not a de Polignac number, because 108100464509 - 2²⁰ = 108099415933 is a prime.

It is a super-2 number, since 2×108100464509² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108100464503) 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, 53355584 + ... + 53357609.

It is an arithmetic number, because the mean of its divisors is an integer number (27051794679).

Almost surely, 2^108100464509 is an apocalyptic number.

It is an amenable number.

108100464509 is a deficient number, since it is larger than the sum of its proper divisors (106714207).

108100464509 is a wasteful number, since it uses less digits than its factorization.

108100464509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106714206.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 108100464509 in words is "one hundred eight billion, one hundred million, four hundred sixty-four thousand, five hundred nine".