1109057851 has 8 divisors (see below), whose sum is σ = 1211194800. Its totient is φ = 1007139840.

The previous prime is 1109057839. The next prime is 1109057857. The reversal of 1109057851 is 1587509011.

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

It is a cyclic number.

It is not a de Polignac number, because 1109057851 - 2⁵ = 1109057819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1109057851.

It is not an unprimeable number, because it can be changed into a prime (1109057857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44046 + ... + 64483.

It is an arithmetic number, because the mean of its divisors is an integer number (151399350).

Almost surely, 2^1109057851 is an apocalyptic number.

1109057851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1109057851 is a deficient number, since it is larger than the sum of its proper divisors (102136949).

1109057851 is a wasteful number, since it uses less digits than its factorization.

1109057851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109469.

The product of its (nonzero) digits is 12600, while the sum is 37.

The square root of 1109057851 is about 33302.5201899196. The cubic root of 1109057851 is about 1035.1057796000.

The spelling of 1109057851 in words is "one billion, one hundred nine million, fifty-seven thousand, eight hundred fifty-one".