5143257771 has 8 divisors (see below), whose sum is σ = 7078892544. Its totient is φ = 3318230760.

The previous prime is 5143257767. The next prime is 5143257797. The reversal of 5143257771 is 1777523415.

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

It is not a de Polignac number, because 5143257771 - 2² = 5143257767 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5143257701) 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, 27651831 + ... + 27652016.

It is an arithmetic number, because the mean of its divisors is an integer number (884861568).

Almost surely, 2^5143257771 is an apocalyptic number.

5143257771 is a deficient number, since it is larger than the sum of its proper divisors (1935634773).

5143257771 is a wasteful number, since it uses less digits than its factorization.

5143257771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55303881.

The product of its digits is 205800, while the sum is 42.

The square root of 5143257771 is about 71716.5097519393. The cubic root of 5143257771 is about 1726.1535680731.

It can be divided in two parts, 5143257 and 771, that added together give a triangular number (5144028 = T₃₂₀₇).

The spelling of 5143257771 in words is "five billion, one hundred forty-three million, two hundred fifty-seven thousand, seven hundred seventy-one".