1323511215115 has 8 divisors (see below), whose sum is σ = 1639446150528. Its totient is φ = 1024653843840.

The previous prime is 1323511215101. The next prime is 1323511215161. The reversal of 1323511215115 is 5115121153231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1323511215115 - 2¹³ = 1323511206923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4269390862 + ... + 4269391171.

It is an arithmetic number, because the mean of its divisors is an integer number (204930768816).

Almost surely, 2^{1323511215115} is an apocalyptic number.

1323511215115 is a deficient number, since it is larger than the sum of its proper divisors (315934935413).

1323511215115 is an equidigital number, since it uses as much as digits as its factorization.

1323511215115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8538782069.

The product of its digits is 4500, while the sum is 31.

Adding to 1323511215115 its reverse (5115121153231), we get a palindrome (6438632368346).

The spelling of 1323511215115 in words is "one trillion, three hundred twenty-three billion, five hundred eleven million, two hundred fifteen thousand, one hundred fifteen".