1113425291 has 4 divisors (see below), whose sum is σ = 1214645784. Its totient is φ = 1012204800.

The previous prime is 1113425281. The next prime is 1113425311. The reversal of 1113425291 is 1925243111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1925243111 = 11 ⋅175022101.

It is a cyclic number.

It is not a de Polignac number, because 1113425291 - 2³⁰ = 39683467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113425231) 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, 50610230 + ... + 50610251.

It is an arithmetic number, because the mean of its divisors is an integer number (303661446).

Almost surely, 2^1113425291 is an apocalyptic number.

1113425291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1113425291 is a deficient number, since it is larger than the sum of its proper divisors (101220493).

1113425291 is a wasteful number, since it uses less digits than its factorization.

1113425291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101220492.

The product of its digits is 2160, while the sum is 29.

The square root of 1113425291 is about 33368.0279758933. The cubic root of 1113425291 is about 1036.4627395088.

The spelling of 1113425291 in words is "one billion, one hundred thirteen million, four hundred twenty-five thousand, two hundred ninety-one".