11543403151 has 16 divisors (see below), whose sum is σ = 13347270720. Its totient is φ = 9778348800.

The previous prime is 11543403143. The next prime is 11543403163. The reversal of 11543403151 is 15130434511.

It is a cyclic number.

It is not a de Polignac number, because 11543403151 - 2³ = 11543403143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543403101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1889001 + ... + 1895101.

It is an arithmetic number, because the mean of its divisors is an integer number (834204420).

Almost surely, 2^11543403151 is an apocalyptic number.

11543403151 is a deficient number, since it is larger than the sum of its proper divisors (1803867569).

11543403151 is an equidigital number, since it uses as much as digits as its factorization.

11543403151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 11543403151 its reverse (15130434511), we get a palindrome (26673837662).

The spelling of 11543403151 in words is "eleven billion, five hundred forty-three million, four hundred three thousand, one hundred fifty-one".