5143754255721 has 8 divisors (see below), whose sum is σ = 6858349896000. Its totient is φ = 3429164059632.

The previous prime is 5143754255713. The next prime is 5143754255737. The reversal of 5143754255721 is 1275524573415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5143754255721 - 2³ = 5143754255713 is a prime.

It is a super-2 number, since 2×5143754255721² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5143754255741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103076 + ... + 3835418.

It is an arithmetic number, because the mean of its divisors is an integer number (857293737000).

Almost surely, 2^{5143754255721} is an apocalyptic number.

It is an amenable number.

5143754255721 is a deficient number, since it is larger than the sum of its proper divisors (1714595640279).

5143754255721 is a wasteful number, since it uses less digits than its factorization.

5143754255721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722095.

The product of its digits is 5880000, while the sum is 51.

The spelling of 5143754255721 in words is "five trillion, one hundred forty-three billion, seven hundred fifty-four million, two hundred fifty-five thousand, seven hundred twenty-one".