1091413118 has 8 divisors (see below), whose sum is σ = 1647163848. Its totient is φ = 542358504.

The previous prime is 1091413097. The next prime is 1091413121. The reversal of 1091413118 is 8113141901.

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

It is a congruent 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, 1673621 + ... + 1674272.

It is an arithmetic number, because the mean of its divisors is an integer number (205895481).

Almost surely, 2^1091413118 is an apocalyptic number.

1091413118 is a deficient number, since it is larger than the sum of its proper divisors (555750730).

1091413118 is a wasteful number, since it uses less digits than its factorization.

1091413118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348058.

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 1091413118 is about 33036.5421616730. The cubic root of 1091413118 is about 1029.5870145000.

The spelling of 1091413118 in words is "one billion, ninety-one million, four hundred thirteen thousand, one hundred eighteen".