3156454534520 has 192 divisors, whose sum is σ = 8412748724160. Its totient is φ = 1062531993600.

The previous prime is 3156454534507. The next prime is 3156454534531. The reversal of 3156454534520 is 254354546513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33490502 + ... + 33584618.

It is an arithmetic number, because the mean of its divisors is an integer number (43816399605).

Almost surely, 2^{3156454534520} 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 3156454534520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4206374362080).

3156454534520 is an abundant number, since it is smaller than the sum of its proper divisors (5256294189640).

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

3156454534520 is a wasteful number, since it uses less digits than its factorization.

3156454534520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94454 (or 94443 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 3156454534520 in words is "three trillion, one hundred fifty-six billion, four hundred fifty-four million, five hundred thirty-four thousand, five hundred twenty".