5166505570551 has 48 divisors (see below), whose sum is σ = 7518553067520. Its totient is φ = 3154161703680.

The previous prime is 5166505570537. The next prime is 5166505570553. The reversal of 5166505570551 is 1550755056615.

It is not a de Polignac number, because 5166505570551 - 2⁵ = 5166505570519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5166505570494 and 5166505570503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166505570553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263466435 + ... + 263486043.

It is an arithmetic number, because the mean of its divisors is an integer number (156636522240).

Almost surely, 2^{5166505570551} is an apocalyptic number.

5166505570551 is a deficient number, since it is larger than the sum of its proper divisors (2352047496969).

5166505570551 is a wasteful number, since it uses less digits than its factorization.

5166505570551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23736 (or 23723 counting only the distinct ones).

The product of its (nonzero) digits is 3937500, while the sum is 51.

The spelling of 5166505570551 in words is "five trillion, one hundred sixty-six billion, five hundred five million, five hundred seventy thousand, five hundred fifty-one".