1109828631 has 8 divisors (see below), whose sum is σ = 1515863664. Its totient is φ = 721839680.

The previous prime is 1109828617. The next prime is 1109828647. The reversal of 1109828631 is 1368289011.

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 1109828631 - 2¹¹ = 1109826583 is a prime.

It is a super-2 number, since 2×1109828631² = 2463439180374668322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1109828631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109820631) 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, 4511376 + ... + 4511621.

It is an arithmetic number, because the mean of its divisors is an integer number (189482958).

Almost surely, 2^1109828631 is an apocalyptic number.

1109828631 is a deficient number, since it is larger than the sum of its proper divisors (406035033).

1109828631 is an equidigital number, since it uses as much as digits as its factorization.

1109828631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9023041.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1109828631 is about 33314.0905774118. The cubic root of 1109828631 is about 1035.3455188448.

The spelling of 1109828631 in words is "one billion, one hundred nine million, eight hundred twenty-eight thousand, six hundred thirty-one".