5005508063261 has 4 divisors (see below), whose sum is σ = 5033162804124. Its totient is φ = 4977853322400.

The previous prime is 5005508063249. The next prime is 5005508063291. The reversal of 5005508063261 is 1623608055005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1045109557636 + 3960398505625 = 1022306^2 + 1990075^2 .

It is a cyclic number.

It is not a de Polignac number, because 5005508063261 - 2¹⁸ = 5005507801117 is a prime.

It is a super-2 number, since 2×5005508063261² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5005508063291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13827370160 + ... + 13827370521.

It is an arithmetic number, because the mean of its divisors is an integer number (1258290701031).

Almost surely, 2^{5005508063261} is an apocalyptic number.

It is an amenable number.

5005508063261 is a deficient number, since it is larger than the sum of its proper divisors (27654740863).

5005508063261 is a wasteful number, since it uses less digits than its factorization.

5005508063261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27654740862.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 5005508063261 in words is "five trillion, five billion, five hundred eight million, sixty-three thousand, two hundred sixty-one".