125535443352 has 128 divisors (see below), whose sum is σ = 345772177920. Its totient is φ = 37664640000.

The previous prime is 125535443347. The next prime is 125535443393. The reversal of 125535443352 is 253344535521.

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, 12472402 + ... + 12482462.

It is an arithmetic number, because the mean of its divisors is an integer number (2701345140).

Almost surely, 2^125535443352 is an apocalyptic number.

125535443352 is a gapful number since it is divisible by the number (12) 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 125535443352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172886088960).

125535443352 is an abundant number, since it is smaller than the sum of its proper divisors (220236734568).

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

125535443352 is a wasteful number, since it uses less digits than its factorization.

125535443352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10545 (or 10541 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 42.

Adding to 125535443352 its reverse (253344535521), we get a palindrome (378879978873).

The spelling of 125535443352 in words is "one hundred twenty-five billion, five hundred thirty-five million, four hundred forty-three thousand, three hundred fifty-two".