1108113791 has 2 divisors, whose sum is σ = 1108113792. Its totient is φ = 1108113790.

The previous prime is 1108113767. The next prime is 1108113823. The reversal of 1108113791 is 1973118011.

It is a happy number.

It is an a-pointer prime, because the next prime (1108113823) can be obtained adding 1108113791 to its sum of digits (32).

It is a weak prime.

It is an emirp because it is prime and its reverse (1973118011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1108113791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1108113491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554056895 + 554056896.

It is an arithmetic number, because the mean of its divisors is an integer number (554056896).

Almost surely, 2^1108113791 is an apocalyptic number.

1108113791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108113791 is an equidigital number, since it uses as much as digits as its factorization.

1108113791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 32.

The square root of 1108113791 is about 33288.3431699446. The cubic root of 1108113791 is about 1034.8119928914.

The spelling of 1108113791 in words is "one billion, one hundred eight million, one hundred thirteen thousand, seven hundred ninety-one".