1168425905 has 4 divisors (see below), whose sum is σ = 1402111092. Its totient is φ = 934740720.

The previous prime is 1168425877. The next prime is 1168425917. The reversal of 1168425905 is 5095248611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5095248611 = 293 ⋅17389927.

It can be written as a sum of positive squares in 2 ways, for example, as 318586801 + 849839104 = 17849^2 + 29152^2 .

It is not a de Polignac number, because 1168425905 - 2¹² = 1168421809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116842586 + ... + 116842595.

It is an arithmetic number, because the mean of its divisors is an integer number (350527773).

Almost surely, 2^1168425905 is an apocalyptic number.

It is an amenable number.

1168425905 is a deficient number, since it is larger than the sum of its proper divisors (233685187).

1168425905 is an equidigital number, since it uses as much as digits as its factorization.

1168425905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233685186.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 1168425905 is about 34182.2454645683. The cubic root of 1168425905 is about 1053.2554758610.

The spelling of 1168425905 in words is "one billion, one hundred sixty-eight million, four hundred twenty-five thousand, nine hundred five".