105905914403 has 4 divisors (see below), whose sum is σ = 108488985528. Its totient is φ = 103322843280.

The previous prime is 105905914351. The next prime is 105905914427. The reversal of 105905914403 is 304419509501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304419509501 = 26927 ⋅11305363.

It is a cyclic number.

It is not a de Polignac number, because 105905914403 - 2²⁴ = 105889137187 is a prime.

It is a super-2 number, since 2×105905914403² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 2583071083 = 105905914403 / (1 + 0 + 5 + 9 + 0 + 5 + 9 + 1 + 4 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105905914493) 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, 1291535501 + ... + 1291535582.

It is an arithmetic number, because the mean of its divisors is an integer number (27122246382).

Almost surely, 2^105905914403 is an apocalyptic number.

105905914403 is a deficient number, since it is larger than the sum of its proper divisors (2583071125).

105905914403 is an equidigital number, since it uses as much as digits as its factorization.

105905914403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583071124.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 105905914403 in words is "one hundred five billion, nine hundred five million, nine hundred fourteen thousand, four hundred three".