32115131505552 has 40 divisors (see below), whose sum is σ = 82984429549440. Its totient is φ = 10702419341440.

The previous prime is 32115131505493. The next prime is 32115131505559. The reversal of 32115131505552 is 25550513151123.

It is a self number, because there is not a number n which added to its sum of digits gives 32115131505552.

It is not an unprimeable number, because it can be changed into a prime (32115131505559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81817599 + ... + 82209182.

It is an arithmetic number, because the mean of its divisors is an integer number (2074610738736).

Almost surely, 2^{32115131505552} is an apocalyptic number.

It is an amenable number.

32115131505552 is an abundant number, since it is smaller than the sum of its proper divisors (50869298043888).

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

32115131505552 is a wasteful number, since it uses less digits than its factorization.

32115131505552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164030871 (or 164030865 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

Adding to 32115131505552 its reverse (25550513151123), we get a palindrome (57665644656675).

The spelling of 32115131505552 in words is "thirty-two trillion, one hundred fifteen billion, one hundred thirty-one million, five hundred five thousand, five hundred fifty-two".