5215453311320 has 128 divisors (see below), whose sum is σ = 13686656832000. Its totient is φ = 1787921025408.

The previous prime is 5215453311293. The next prime is 5215453311337. The reversal of 5215453311320 is 231133545125.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128988947 + ... + 129029373.

It is an arithmetic number, because the mean of its divisors is an integer number (106927006500).

Almost surely, 2^{5215453311320} 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 5215453311320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6843328416000).

5215453311320 is an abundant number, since it is smaller than the sum of its proper divisors (8471203520680).

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

5215453311320 is a wasteful number, since it uses less digits than its factorization.

5215453311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49862 (or 49844 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 5215453311320 its reverse (231133545125), we get a palindrome (5446586856445).

The spelling of 5215453311320 in words is "five trillion, two hundred fifteen billion, four hundred fifty-three million, three hundred eleven thousand, three hundred twenty".