5512117281 has 32 divisors (see below), whose sum is σ = 8494668288. Its totient is φ = 3142160640.

The previous prime is 5512117271. The next prime is 5512117309. The reversal of 5512117281 is 1827112155.

It is not a de Polignac number, because 5512117281 - 2⁹ = 5512116769 is a prime.

It is a super-2 number, since 2×5512117281² = 60766873838997665922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (5512117211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1727970 + ... + 1731156.

It is an arithmetic number, because the mean of its divisors is an integer number (265458384).

Almost surely, 2^5512117281 is an apocalyptic number.

5512117281 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5512117281 is a deficient number, since it is larger than the sum of its proper divisors (2982551007).

5512117281 is a wasteful number, since it uses less digits than its factorization.

5512117281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6301.

The product of its digits is 5600, while the sum is 33.

The square root of 5512117281 is about 74243.6346160396. The cubic root of 5512117281 is about 1766.4695266237.

The spelling of 5512117281 in words is "five billion, five hundred twelve million, one hundred seventeen thousand, two hundred eighty-one".