13215501142 has 4 divisors (see below), whose sum is σ = 19823251716. Its totient is φ = 6607750570.

The previous prime is 13215501127. The next prime is 13215501163. The reversal of 13215501142 is 24110551231.

13215501142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303875284 + ... + 3303875287.

It is an arithmetic number, because the mean of its divisors is an integer number (4955812929).

Almost surely, 2^13215501142 is an apocalyptic number.

13215501142 is a deficient number, since it is larger than the sum of its proper divisors (6607750574).

13215501142 is an equidigital number, since it uses as much as digits as its factorization.

13215501142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6607750573.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 13215501142 in words is "thirteen billion, two hundred fifteen million, five hundred one thousand, one hundred forty-two".