10511211201323 has 4 divisors (see below), whose sum is σ = 12012812801520. Its totient is φ = 9009609601128.

The previous prime is 10511211201317. The next prime is 10511211201353. The reversal of 10511211201323 is 32310211211501.

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 10511211201323 - 2⁶ = 10511211201259 is a prime.

It is a super-2 number, since 2×10511211201323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10511211201353) 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, 750800800088 + ... + 750800800101.

It is an arithmetic number, because the mean of its divisors is an integer number (3003203200380).

Almost surely, 2^{10511211201323} is an apocalyptic number.

10511211201323 is a deficient number, since it is larger than the sum of its proper divisors (1501601600197).

10511211201323 is an equidigital number, since it uses as much as digits as its factorization.

10511211201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501601600196.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 10511211201323 its reverse (32310211211501), we get a palindrome (42821422412824).

The spelling of 10511211201323 in words is "ten trillion, five hundred eleven billion, two hundred eleven million, two hundred one thousand, three hundred twenty-three".