5515429081 has 2 divisors, whose sum is σ = 5515429082. Its totient is φ = 5515429080.

The previous prime is 5515429063. The next prime is 5515429121. The reversal of 5515429081 is 1809245155.

It is an a-pointer prime, because the next prime (5515429121) can be obtained adding 5515429081 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4238010000 + 1277419081 = 65100^2 + 35741^2 .

It is a cyclic number.

It is not a de Polignac number, because 5515429081 - 2²⁵ = 5481874649 is a prime.

It is a super-3 number, since 3×5515429081³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757714540 + 2757714541.

It is an arithmetic number, because the mean of its divisors is an integer number (2757714541).

Almost surely, 2^5515429081 is an apocalyptic number.

It is an amenable number.

5515429081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515429081 is an equidigital number, since it uses as much as digits as its factorization.

5515429081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 40.

The square root of 5515429081 is about 74265.9348624926. The cubic root of 5515429081 is about 1766.8232335709.

The spelling of 5515429081 in words is "five billion, five hundred fifteen million, four hundred twenty-nine thousand, eighty-one".