5121550150553 has 4 divisors (see below), whose sum is σ = 5123507184180. Its totient is φ = 5119593116928.

The previous prime is 5121550150547. The next prime is 5121550150579. The reversal of 5121550150553 is 3550510551215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3102343254409 + 2019206896144 = 1761347^2 + 1420988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5121550150553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5121550150853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978512888 + ... + 978518121.

It is an arithmetic number, because the mean of its divisors is an integer number (1280876796045).

Almost surely, 2^{5121550150553} is an apocalyptic number.

It is an amenable number.

5121550150553 is a deficient number, since it is larger than the sum of its proper divisors (1957033627).

5121550150553 is a wasteful number, since it uses less digits than its factorization.

5121550150553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957033626.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 5121550150553 in words is "five trillion, one hundred twenty-one billion, five hundred fifty million, one hundred fifty thousand, five hundred fifty-three".