1118495601 has 16 divisors (see below), whose sum is σ = 1658870400. Its totient is φ = 744835824.

The previous prime is 1118495579. The next prime is 1118495617. The reversal of 1118495601 is 1065948111.

It is a happy number.

1118495601 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 49 + 5 + 601 = 666.

It is not a de Polignac number, because 1118495601 - 2¹⁴ = 1118479217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1118499601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2275 + ... + 47351.

It is an arithmetic number, because the mean of its divisors is an integer number (103679400).

Almost surely, 2^1118495601 is an apocalyptic number.

It is an amenable number.

1118495601 is a deficient number, since it is larger than the sum of its proper divisors (540374799).

1118495601 is an equidigital number, since it uses as much as digits as its factorization.

1118495601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46005 (or 45999 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The square root of 1118495601 is about 33443.9172496285. The cubic root of 1118495601 is about 1038.0336368531.

The spelling of 1118495601 in words is "one billion, one hundred eighteen million, four hundred ninety-five thousand, six hundred one".