1109951497 has 8 divisors (see below), whose sum is σ = 1148890112. Its totient is φ = 1071208800.

The previous prime is 1109951477. The next prime is 1109951509. The reversal of 1109951497 is 7941599011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1109951497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109951417) 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, 37404 + ... + 60157.

It is an arithmetic number, because the mean of its divisors is an integer number (143611264).

Almost surely, 2^1109951497 is an apocalyptic number.

It is an amenable number.

1109951497 is a deficient number, since it is larger than the sum of its proper divisors (38938615).

1109951497 is an equidigital number, since it uses as much as digits as its factorization.

1109951497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97959.

The product of its (nonzero) digits is 102060, while the sum is 46.

The square root of 1109951497 is about 33315.9345809179. The cubic root of 1109951497 is about 1035.3837241632.

The spelling of 1109951497 in words is "one billion, one hundred nine million, nine hundred fifty-one thousand, four hundred ninety-seven".