11553523151 has 4 divisors (see below), whose sum is σ = 11598478752. Its totient is φ = 11508567552.

The previous prime is 11553523109. The next prime is 11553523169. The reversal of 11553523151 is 15132535511.

11553523151 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 an emirpimes, since its reverse is a distinct semiprime: 15132535511 = 73 ⋅207295007.

It is a cyclic number.

It is not a de Polignac number, because 11553523151 - 2¹⁸ = 11553261007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553523451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22477415 + ... + 22477928.

It is an arithmetic number, because the mean of its divisors is an integer number (2899619688).

Almost surely, 2^11553523151 is an apocalyptic number.

11553523151 is a deficient number, since it is larger than the sum of its proper divisors (44955601).

11553523151 is an equidigital number, since it uses as much as digits as its factorization.

11553523151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44955600.

The product of its digits is 11250, while the sum is 32.

The spelling of 11553523151 in words is "eleven billion, five hundred fifty-three million, five hundred twenty-three thousand, one hundred fifty-one".