43125215320 has 128 divisors (see below), whose sum is σ = 111366964800. Its totient is φ = 14885683200.

The previous prime is 43125215317. The next prime is 43125215359. The reversal of 43125215320 is 2351252134.

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, 635176 + ... + 699784.

Almost surely, 2^43125215320 is an apocalyptic number.

43125215320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43125215320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55683482400).

43125215320 is an abundant number, since it is smaller than the sum of its proper divisors (68241749480).

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

43125215320 is a wasteful number, since it uses less digits than its factorization.

43125215320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64709 (or 64705 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 43125215320 its reverse (2351252134), we get a palindrome (45476467454).

The spelling of 43125215320 in words is "forty-three billion, one hundred twenty-five million, two hundred fifteen thousand, three hundred twenty".