11355120520001 has 4 divisors (see below), whose sum is σ = 11355711613104. Its totient is φ = 11354529426900.

The previous prime is 11355120519997. The next prime is 11355120520021. The reversal of 11355120520001 is 10002502155311.

11355120520001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 11355120520001 - 2² = 11355120519997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11355120520021) 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, 295517735 + ... + 295556156.

It is an arithmetic number, because the mean of its divisors is an integer number (2838927903276).

Almost surely, 2^{11355120520001} is an apocalyptic number.

It is an amenable number.

11355120520001 is a deficient number, since it is larger than the sum of its proper divisors (591093103).

11355120520001 is an equidigital number, since it uses as much as digits as its factorization.

11355120520001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591093102.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 11355120520001 its reverse (10002502155311), we get a palindrome (21357622675312).

The spelling of 11355120520001 in words is "eleven trillion, three hundred fifty-five billion, one hundred twenty million, five hundred twenty thousand, one".