108557617433 has 4 divisors (see below), whose sum is σ = 108562399248. Its totient is φ = 108552835620.

The previous prime is 108557617391. The next prime is 108557617477. The reversal of 108557617433 is 334716755801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334716755801 = 3167 ⋅105688903.

It is a cyclic number.

It is not a de Polignac number, because 108557617433 - 2¹⁸ = 108557355289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108557617033) 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, 2356691 + ... + 2402312.

It is an arithmetic number, because the mean of its divisors is an integer number (27140599812).

Almost surely, 2^108557617433 is an apocalyptic number.

It is an amenable number.

108557617433 is a deficient number, since it is larger than the sum of its proper divisors (4781815).

108557617433 is an equidigital number, since it uses as much as digits as its factorization.

108557617433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781814.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 108557617433 in words is "one hundred eight billion, five hundred fifty-seven million, six hundred seventeen thousand, four hundred thirty-three".