5148121957 has 8 divisors (see below), whose sum is σ = 5616739872. Its totient is φ = 4679605200.

The previous prime is 5148121943. The next prime is 5148121997. The reversal of 5148121957 is 7591218415.

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

It is a cyclic number.

It is not a de Polignac number, because 5148121957 - 2¹¹ = 5148119909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5148121997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114982 + ... + 153352.

It is an arithmetic number, because the mean of its divisors is an integer number (702092484).

Almost surely, 2^5148121957 is an apocalyptic number.

It is an amenable number.

5148121957 is a deficient number, since it is larger than the sum of its proper divisors (468617915).

5148121957 is a wasteful number, since it uses less digits than its factorization.

5148121957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50579.

The product of its digits is 100800, while the sum is 43.

The square root of 5148121957 is about 71750.4143332985. The cubic root of 5148121957 is about 1726.6975609318.

The spelling of 5148121957 in words is "five billion, one hundred forty-eight million, one hundred twenty-one thousand, nine hundred fifty-seven".