1331152352051 has 4 divisors (see below), whose sum is σ = 1351020297672. Its totient is φ = 1311284406432.

The previous prime is 1331152352039. The next prime is 1331152352069. The reversal of 1331152352051 is 1502532511331.

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

It is a cyclic number.

It is not a de Polignac number, because 1331152352051 - 2⁶ = 1331152351987 is a prime.

It is a super-3 number, since 3×1331152352051³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331152351999 and 1331152352017.

It is not an unprimeable number, because it can be changed into a prime (1331152352021) 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, 9933972710 + ... + 9933972843.

It is an arithmetic number, because the mean of its divisors is an integer number (337755074418).

Almost surely, 2^{1331152352051} is an apocalyptic number.

1331152352051 is a deficient number, since it is larger than the sum of its proper divisors (19867945621).

1331152352051 is an equidigital number, since it uses as much as digits as its factorization.

1331152352051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19867945620.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 1331152352051 its reverse (1502532511331), we get a palindrome (2833684863382).

The spelling of 1331152352051 in words is "one trillion, three hundred thirty-one billion, one hundred fifty-two million, three hundred fifty-two thousand, fifty-one".