5515512043 has 2 divisors, whose sum is σ = 5515512044. Its totient is φ = 5515512042.

The previous prime is 5515512029. The next prime is 5515512047. The reversal of 5515512043 is 3402155155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5515512043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5515511996 and 5515512014.

It is not a weakly prime, because it can be changed into another prime (5515512047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757756021 + 2757756022.

It is an arithmetic number, because the mean of its divisors is an integer number (2757756022).

Almost surely, 2^5515512043 is an apocalyptic number.

5515512043 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515512043 is an equidigital number, since it uses as much as digits as its factorization.

5515512043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 5515512043 is about 74266.4934071887. The cubic root of 5515512043 is about 1766.8320922624.

Adding to 5515512043 its reverse (3402155155), we get a palindrome (8917667198).

The spelling of 5515512043 in words is "five billion, five hundred fifteen million, five hundred twelve thousand, forty-three".