11523104320355 has 16 divisors (see below), whose sum is σ = 13872029147424. Its totient is φ = 9188950348800.

The previous prime is 11523104320319. The next prime is 11523104320417. The reversal of 11523104320355 is 55302340132511.

It is a happy number.

It is not a de Polignac number, because 11523104320355 - 2¹⁶ = 11523104254819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34069304 + ... + 34405866.

It is an arithmetic number, because the mean of its divisors is an integer number (867001821714).

Almost surely, 2^{11523104320355} is an apocalyptic number.

11523104320355 is a deficient number, since it is larger than the sum of its proper divisors (2348924827069).

11523104320355 is a wasteful number, since it uses less digits than its factorization.

11523104320355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358486.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 11523104320355 its reverse (55302340132511), we get a palindrome (66825444452866).

The spelling of 11523104320355 in words is "eleven trillion, five hundred twenty-three billion, one hundred four million, three hundred twenty thousand, three hundred fifty-five".