11154151543 has 4 divisors (see below), whose sum is σ = 11156804568. Its totient is φ = 11151498520.

The previous prime is 11154151493. The next prime is 11154151573. The reversal of 11154151543 is 34515145111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11154151543 - 2⁹ = 11154151031 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 (11154151573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320196 + ... + 1328617.

It is an arithmetic number, because the mean of its divisors is an integer number (2789201142).

Almost surely, 2^11154151543 is an apocalyptic number.

11154151543 is a deficient number, since it is larger than the sum of its proper divisors (2653025).

11154151543 is an equidigital number, since it uses as much as digits as its factorization.

11154151543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653024.

The product of its digits is 6000, while the sum is 31.

Adding to 11154151543 its reverse (34515145111), we get a palindrome (45669296654).

The spelling of 11154151543 in words is "eleven billion, one hundred fifty-four million, one hundred fifty-one thousand, five hundred forty-three".