5115452554520 has 128 divisors (see below), whose sum is σ = 14354016998400. Its totient is φ = 1593962764800.

The previous prime is 5115452554519. The next prime is 5115452554547. The reversal of 5115452554520 is 254552545115.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10419941 + ... + 10899819.

It is an arithmetic number, because the mean of its divisors is an integer number (112140757800).

Almost surely, 2^{5115452554520} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5115452554520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7177008499200).

5115452554520 is an abundant number, since it is smaller than the sum of its proper divisors (9238564443880).

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

5115452554520 is a wasteful number, since it uses less digits than its factorization.

5115452554520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483369 (or 483365 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 44.

The spelling of 5115452554520 in words is "five trillion, one hundred fifteen billion, four hundred fifty-two million, five hundred fifty-four thousand, five hundred twenty".