1117802553 has 48 divisors (see below), whose sum is σ = 1820206080. Its totient is φ = 607230624.

The previous prime is 1117802549. The next prime is 1117802561. The reversal of 1117802553 is 3552087111.

It is not a de Polignac number, because 1117802553 - 2² = 1117802549 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1117802503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 604276 + ... + 606122.

It is an arithmetic number, because the mean of its divisors is an integer number (37920960).

Almost surely, 2^1117802553 is an apocalyptic number.

It is an amenable number.

1117802553 is a deficient number, since it is larger than the sum of its proper divisors (702403527).

1117802553 is a wasteful number, since it uses less digits than its factorization.

1117802553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 1117802553 is about 33433.5542980402. The cubic root of 1117802553 is about 1037.8191953080.

Adding to 1117802553 its reverse (3552087111), we get a palindrome (4669889664).

The spelling of 1117802553 in words is "one billion, one hundred seventeen million, eight hundred two thousand, five hundred fifty-three".