11453501212013 has 4 divisors (see below), whose sum is σ = 13089715670880. Its totient is φ = 9817286753148.

The previous prime is 11453501211967. The next prime is 11453501212019. The reversal of 11453501212013 is 31021210535411.

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 not a de Polignac number, because 11453501212013 - 2¹⁴ = 11453501195629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453501212019) 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, 818107229423 + ... + 818107229436.

It is an arithmetic number, because the mean of its divisors is an integer number (3272428917720).

Almost surely, 2^{11453501212013} is an apocalyptic number.

It is an amenable number.

11453501212013 is a deficient number, since it is larger than the sum of its proper divisors (1636214458867).

11453501212013 is an equidigital number, since it uses as much as digits as its factorization.

11453501212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636214458866.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 11453501212013 its reverse (31021210535411), we get a palindrome (42474711747424).

The spelling of 11453501212013 in words is "eleven trillion, four hundred fifty-three billion, five hundred one million, two hundred twelve thousand, thirteen".