1163111426 has 8 divisors (see below), whose sum is σ = 1820522304. Its totient is φ = 556270660.

The previous prime is 1163111399. The next prime is 1163111431. The reversal of 1163111426 is 6241113611.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1163111395 and 1163111404.

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, 12642470 + ... + 12642561.

It is an arithmetic number, because the mean of its divisors is an integer number (227565288).

Almost surely, 2^1163111426 is an apocalyptic number.

1163111426 is a deficient number, since it is larger than the sum of its proper divisors (657410878).

1163111426 is a wasteful number, since it uses less digits than its factorization.

1163111426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25285056.

The product of its digits is 864, while the sum is 26.

The square root of 1163111426 is about 34104.4194496842. The cubic root of 1163111426 is about 1051.6561697137.

The spelling of 1163111426 in words is "one billion, one hundred sixty-three million, one hundred eleven thousand, four hundred twenty-six".