5156452730520 has 512 divisors, whose sum is σ = 21160548864000. Its totient is φ = 1087652966400.

The previous prime is 5156452730497. The next prime is 5156452730543. The reversal of 5156452730520 is 250372546515.

It is a happy number.

5156452730520 is a `hidden beast` number, since 5 + 1 + 5 + 6 + 4 + 52 + 73 + 0 + 520 = 666.

It is an interprime number because it is at equal distance from previous prime (5156452730497) and next prime (5156452730543).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 643828276 + ... + 643836284.

It is an arithmetic number, because the mean of its divisors is an integer number (41329197000).

Almost surely, 2^{5156452730520} 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 5156452730520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10580274432000).

5156452730520 is an abundant number, since it is smaller than the sum of its proper divisors (16004096133480).

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

5156452730520 is a wasteful number, since it uses less digits than its factorization.

5156452730520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14600 (or 14590 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 5156452730520 in words is "five trillion, one hundred fifty-six billion, four hundred fifty-two million, seven hundred thirty thousand, five hundred twenty".