5156981458432 has 160 divisors (see below), whose sum is σ = 11010735267840. Its totient is φ = 2404460298240.

The previous prime is 5156981458429. The next prime is 5156981458469. The reversal of 5156981458432 is 2348541896515.

It is a happy number.

It is a super-2 number, since 2×5156981458432² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949542757 + ... + 949548187.

It is an arithmetic number, because the mean of its divisors is an integer number (68817095424).

Almost surely, 2^{5156981458432} 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 5156981458432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5505367633920).

5156981458432 is an abundant number, since it is smaller than the sum of its proper divisors (5853753809408).

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

5156981458432 is a wasteful number, since it uses less digits than its factorization.

5156981458432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452 (or 6436 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 61.

The spelling of 5156981458432 in words is "five trillion, one hundred fifty-six billion, nine hundred eighty-one million, four hundred fifty-eight thousand, four hundred thirty-two".