5001128957 has 4 divisors (see below), whose sum is σ = 5455777056. Its totient is φ = 4546480860.

The previous prime is 5001128941. The next prime is 5001128983. The reversal of 5001128957 is 7598211005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5001128957 - 2⁴ = 5001128941 is a prime.

It is a super-2 number, since 2×5001128957² = 50022581689087815698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5001128957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5001128927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227324033 + ... + 227324054.

It is an arithmetic number, because the mean of its divisors is an integer number (1363944264).

Almost surely, 2^5001128957 is an apocalyptic number.

It is an amenable number.

5001128957 is a deficient number, since it is larger than the sum of its proper divisors (454648099).

5001128957 is a wasteful number, since it uses less digits than its factorization.

5001128957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454648098.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 5001128957 is about 70718.6605995900. The cubic root of 5001128957 is about 1710.1046362792.

The spelling of 5001128957 in words is "five billion, one million, one hundred twenty-eight thousand, nine hundred fifty-seven".