11153404551 has 4 divisors (see below), whose sum is σ = 14871206072. Its totient is φ = 7435603032.

The previous prime is 11153404519. The next prime is 11153404589. The reversal of 11153404551 is 15540435111.

11153404551 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: 15540435111 = 3 ⋅5180145037.

It is not a de Polignac number, because 11153404551 - 2⁵ = 11153404519 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 (11153404751) 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, 1858900756 + ... + 1858900761.

It is an arithmetic number, because the mean of its divisors is an integer number (3717801518).

Almost surely, 2^11153404551 is an apocalyptic number.

11153404551 is a deficient number, since it is larger than the sum of its proper divisors (3717801521).

11153404551 is an equidigital number, since it uses as much as digits as its factorization.

11153404551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717801520.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 11153404551 its reverse (15540435111), we get a palindrome (26693839662).

The spelling of 11153404551 in words is "eleven billion, one hundred fifty-three million, four hundred four thousand, five hundred fifty-one".