1326887514507 has 4 divisors (see below), whose sum is σ = 1769183352680. Its totient is φ = 884591676336.

The previous prime is 1326887514503. The next prime is 1326887514539. The reversal of 1326887514507 is 7054157886231.

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

It is not a de Polignac number, because 1326887514507 - 2² = 1326887514503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326887514503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221147919082 + ... + 221147919087.

It is an arithmetic number, because the mean of its divisors is an integer number (442295838170).

Almost surely, 2^{1326887514507} is an apocalyptic number.

1326887514507 is a deficient number, since it is larger than the sum of its proper divisors (442295838173).

1326887514507 is an equidigital number, since it uses as much as digits as its factorization.

1326887514507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442295838172.

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 1326887514507 in words is "one trillion, three hundred twenty-six billion, eight hundred eighty-seven million, five hundred fourteen thousand, five hundred seven".