1327252142553 has 4 divisors (see below), whose sum is σ = 1769669523408. Its totient is φ = 884834761700.

The previous prime is 1327252142551. The next prime is 1327252142641. The reversal of 1327252142553 is 3552412527231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1327252142553 - 2¹ = 1327252142551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1327252142551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221208690423 + ... + 221208690428.

It is an arithmetic number, because the mean of its divisors is an integer number (442417380852).

Almost surely, 2^{1327252142553} is an apocalyptic number.

It is an amenable number.

1327252142553 is a deficient number, since it is larger than the sum of its proper divisors (442417380855).

1327252142553 is an equidigital number, since it uses as much as digits as its factorization.

1327252142553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442417380854.

The product of its digits is 504000, while the sum is 42.

Adding to 1327252142553 its reverse (3552412527231), we get a palindrome (4879664669784).

The spelling of 1327252142553 in words is "one trillion, three hundred twenty-seven billion, two hundred fifty-two million, one hundred forty-two thousand, five hundred fifty-three".