5771953395121 has 9 divisors (see below), whose sum is σ = 5781552847833. Its totient is φ = 5762369866500.

The previous prime is 5771953395113. The next prime is 5771953395149. The reversal of 5771953395121 is 1215933591775.

The square root of 5771953395121 is 2402489.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 5771953395121 - 2³ = 5771953395113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5771953395191) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1775437746 + ... + 1775440996.

Almost surely, 2^{5771953395121} is an apocalyptic number.

5771953395121 is the 2402489-th square number.

5771953395121 is the 1201245-th centered octagonal number.

It is an amenable number.

5771953395121 is a deficient number, since it is larger than the sum of its proper divisors (9599452712).

5771953395121 is an frugal number, since it uses more digits than its factorization.

5771953395121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7980 (or 3990 counting only the distinct ones).

The product of its digits is 8930250, while the sum is 58.

The spelling of 5771953395121 in words is "five trillion, seven hundred seventy-one billion, nine hundred fifty-three million, three hundred ninety-five thousand, one hundred twenty-one".