5198450160121 has 3 divisors (see below), whose sum is σ = 5198452440133. Its totient is φ = 5198447880110.

The previous prime is 5198450160107. The next prime is 5198450160227. The reversal of 5198450160121 is 1210610548915.

The square root of 5198450160121 is 2280011.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-5198450160121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5198450163121) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1140006 + ... + 3420016.

Almost surely, 2^{5198450160121} is an apocalyptic number.

5198450160121 is the 2280011-st square number.

5198450160121 is the 1140006-th centered octagonal number.

It is an amenable number.

5198450160121 is a deficient number, since it is larger than the sum of its proper divisors (2280012).

5198450160121 is an frugal number, since it uses more digits than its factorization.

5198450160121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560022 (or 2280011 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 43.

The spelling of 5198450160121 in words is "five trillion, one hundred ninety-eight billion, four hundred fifty million, one hundred sixty thousand, one hundred twenty-one".