1109697852 has 12 divisors (see below), whose sum is σ = 2589295016. Its totient is φ = 369899280.

The previous prime is 1109697839. The next prime is 1109697931. The reversal of 1109697852 is 2587969011.

It is a tau number, because it is divible by the number of its divisors (12).

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, 46237399 + ... + 46237422.

Almost surely, 2^1109697852 is an apocalyptic number.

1109697852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1109697852 is an abundant number, since it is smaller than the sum of its proper divisors (1479597164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1109697852 is a wasteful number, since it uses less digits than its factorization.

1109697852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92474828 (or 92474826 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 48.

The square root of 1109697852 is about 33312.1277014843. The cubic root of 1109697852 is about 1035.3048498723.

The spelling of 1109697852 in words is "one billion, one hundred nine million, six hundred ninety-seven thousand, eight hundred fifty-two".