13215063514 has 4 divisors (see below), whose sum is σ = 19822595274. Its totient is φ = 6607531756.

The previous prime is 13215063497. The next prime is 13215063541. The reversal of 13215063514 is 41536051231.

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

It can be written as a sum of positive squares in only one way, i.e., 13054205025 + 160858489 = 114255^2 + 12683^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303765877 + ... + 3303765880.

Almost surely, 2^13215063514 is an apocalyptic number.

13215063514 is a deficient number, since it is larger than the sum of its proper divisors (6607531760).

13215063514 is an equidigital number, since it uses as much as digits as its factorization.

13215063514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6607531759.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 13215063514 in words is "thirteen billion, two hundred fifteen million, sixty-three thousand, five hundred fourteen".