5311142257 has 8 divisors (see below), whose sum is σ = 5607572960. Its totient is φ = 5016401280.

The previous prime is 5311142203. The next prime is 5311142297. The reversal of 5311142257 is 7522411135.

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

It is a de Polignac number, because none of the positive numbers 2^k-5311142257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5311142297) 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, 415968 + ... + 428545.

It is an arithmetic number, because the mean of its divisors is an integer number (700946620).

Almost surely, 2^5311142257 is an apocalyptic number.

It is an amenable number.

5311142257 is a deficient number, since it is larger than the sum of its proper divisors (296430703).

5311142257 is a wasteful number, since it uses less digits than its factorization.

5311142257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844863.

The product of its digits is 8400, while the sum is 31.

The square root of 5311142257 is about 72877.5840502414. The cubic root of 5311142257 is about 1744.7343494808.

The spelling of 5311142257 in words is "five billion, three hundred eleven million, one hundred forty-two thousand, two hundred fifty-seven".