32115142215215 has 4 divisors (see below), whose sum is σ = 38538170658264. Its totient is φ = 25692113772168.

The previous prime is 32115142215197. The next prime is 32115142215227. The reversal of 32115142215215 is 51251224151123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32115142215215 - 2⁸ = 32115142214959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3211514221517 + ... + 3211514221526.

It is an arithmetic number, because the mean of its divisors is an integer number (9634542664566).

Almost surely, 2^{32115142215215} is an apocalyptic number.

32115142215215 is a deficient number, since it is larger than the sum of its proper divisors (6423028443049).

32115142215215 is an equidigital number, since it uses as much as digits as its factorization.

32115142215215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423028443048.

The product of its digits is 24000, while the sum is 35.

Adding to 32115142215215 its reverse (51251224151123), we get a palindrome (83366366366338).

The spelling of 32115142215215 in words is "thirty-two trillion, one hundred fifteen billion, one hundred forty-two million, two hundred fifteen thousand, two hundred fifteen".