5151551515550 has 48 divisors (see below), whose sum is σ = 10556461178064. Its totient is φ = 1854744000000.

The previous prime is 5151551515549. The next prime is 5151551515609. The reversal of 5151551515550 is 555151551515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46313051 + ... + 46424150.

It is an arithmetic number, because the mean of its divisors is an integer number (219926274543).

Almost surely, 2^{5151551515550} is an apocalyptic number.

5151551515550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5151551515550 is an abundant number, since it is smaller than the sum of its proper divisors (5404909662514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5151551515550 is a wasteful number, since it uses less digits than its factorization.

5151551515550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92737325 (or 92737320 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 44.

The spelling of 5151551515550 in words is "five trillion, one hundred fifty-one billion, five hundred fifty-one million, five hundred fifteen thousand, five hundred fifty".