5515460813 has 2 divisors, whose sum is σ = 5515460814. Its totient is φ = 5515460812.

The previous prime is 5515460767. The next prime is 5515460849. The reversal of 5515460813 is 3180645155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5277005449 + 238455364 = 72643^2 + 15442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5515460813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5515460213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757730406 + 2757730407.

It is an arithmetic number, because the mean of its divisors is an integer number (2757730407).

Almost surely, 2^5515460813 is an apocalyptic number.

It is an amenable number.

5515460813 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515460813 is an equidigital number, since it uses as much as digits as its factorization.

5515460813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 5515460813 is about 74266.1484998381. The cubic root of 5515460813 is about 1766.8266219278.

The spelling of 5515460813 in words is "five billion, five hundred fifteen million, four hundred sixty thousand, eight hundred thirteen".