9109552478523 has 8 divisors (see below), whose sum is σ = 13881222824448. Its totient is φ = 5205458559144.

The previous prime is 9109552478501. The next prime is 9109552478557. The reversal of 9109552478523 is 3258742559019.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9109552478523 - 2¹⁷ = 9109552347451 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9109552478123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216894106611 + ... + 216894106652.

It is an arithmetic number, because the mean of its divisors is an integer number (1735152853056).

Almost surely, 2^{9109552478523} is an apocalyptic number.

9109552478523 is a deficient number, since it is larger than the sum of its proper divisors (4771670345925).

9109552478523 is a wasteful number, since it uses less digits than its factorization.

9109552478523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433788213273.

The product of its (nonzero) digits is 27216000, while the sum is 60.

The spelling of 9109552478523 in words is "nine trillion, one hundred nine billion, five hundred fifty-two million, four hundred seventy-eight thousand, five hundred twenty-three".