432131115305550 has 96 divisors (see below), whose sum is σ = 1084233769106400. Its totient is φ = 113886863861760.

The previous prime is 432131115305509. The next prime is 432131115305567. The reversal of 432131115305550 is 55503511131234.

It is a junction number, because it is equal to n+sod(n) for n = 432131115305499 and 432131115305508.

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, 20955396 + ... + 36102504.

It is an arithmetic number, because the mean of its divisors is an integer number (11294101761525).

Almost surely, 2^{432131115305550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 432131115305550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542116884553200).

432131115305550 is an abundant number, since it is smaller than the sum of its proper divisors (652102653800850).

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

432131115305550 is a wasteful number, since it uses less digits than its factorization.

432131115305550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15149350 (or 15149345 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

Adding to 432131115305550 its reverse (55503511131234), we get a palindrome (487634626436784).

The spelling of 432131115305550 in words is "four hundred thirty-two trillion, one hundred thirty-one billion, one hundred fifteen million, three hundred five thousand, five hundred fifty".