5105621665071 has 48 divisors (see below), whose sum is σ = 7630855464960. Its totient is φ = 3287557815360.

The previous prime is 5105621665051. The next prime is 5105621665073. The reversal of 5105621665071 is 1705661265015.

It is a happy number.

5105621665071 is a `hidden beast` number, since 5 + 1 + 0 + 562 + 16 + 6 + 5 + 0 + 71 = 666.

It is not a de Polignac number, because 5105621665071 - 2⁷ = 5105621664943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105621665073) 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, 31904485 + ... + 32064113.

It is an arithmetic number, because the mean of its divisors is an integer number (158976155520).

Almost surely, 2^{5105621665071} is an apocalyptic number.

5105621665071 is a deficient number, since it is larger than the sum of its proper divisors (2525233799889).

5105621665071 is a wasteful number, since it uses less digits than its factorization.

5105621665071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160676 (or 160673 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 5105621665071 in words is "five trillion, one hundred five billion, six hundred twenty-one million, six hundred sixty-five thousand, seventy-one".