108950551309 has 4 divisors (see below), whose sum is σ = 108952442716. Its totient is φ = 108948659904.

The previous prime is 108950551291. The next prime is 108950551313. The reversal of 108950551309 is 903155059801.

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 42816714084 + 66133837225 = 206922^2 + 257165^2 .

It is a cyclic number.

It is not a de Polignac number, because 108950551309 - 2²³ = 108942162701 is a prime.

It is a super-2 number, since 2×108950551309² (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 (108950551319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856494 + ... + 975439.

It is an arithmetic number, because the mean of its divisors is an integer number (27238110679).

Almost surely, 2^108950551309 is an apocalyptic number.

It is an amenable number.

108950551309 is a deficient number, since it is larger than the sum of its proper divisors (1891407).

108950551309 is an equidigital number, since it uses as much as digits as its factorization.

108950551309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891406.

The product of its (nonzero) digits is 243000, while the sum is 46.

The spelling of 108950551309 in words is "one hundred eight billion, nine hundred fifty million, five hundred fifty-one thousand, three hundred nine".