1255521132022 has 4 divisors (see below), whose sum is σ = 1883281698036. Its totient is φ = 627760566010.

The previous prime is 1255521132017. The next prime is 1255521132059. The reversal of 1255521132022 is 2202311255521.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 313880283004 + ... + 313880283007.

It is an arithmetic number, because the mean of its divisors is an integer number (470820424509).

Almost surely, 2^{1255521132022} is an apocalyptic number.

1255521132022 is a deficient number, since it is larger than the sum of its proper divisors (627760566014).

1255521132022 is an equidigital number, since it uses as much as digits as its factorization.

1255521132022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627760566013.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 1255521132022 its reverse (2202311255521), we get a palindrome (3457832387543).

The spelling of 1255521132022 in words is "one trillion, two hundred fifty-five billion, five hundred twenty-one million, one hundred thirty-two thousand, twenty-two".