5721505068828 has 12 divisors (see below), whose sum is σ = 13350178493960. Its totient is φ = 1907168356272.

The previous prime is 5721505068791. The next prime is 5721505068863. The reversal of 5721505068828 is 8288605051275.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238396044523 + ... + 238396044546.

Almost surely, 2^{5721505068828} is an apocalyptic number.

It is an amenable number.

5721505068828 is an abundant number, since it is smaller than the sum of its proper divisors (7628673425132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5721505068828 is a wasteful number, since it uses less digits than its factorization.

5721505068828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476792089076 (or 476792089074 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 57.

The spelling of 5721505068828 in words is "five trillion, seven hundred twenty-one billion, five hundred five million, sixty-eight thousand, eight hundred twenty-eight".