11450101543 has 4 divisors (see below), whose sum is σ = 11509428688. Its totient is φ = 11390774400.

The previous prime is 11450101519. The next prime is 11450101549. The reversal of 11450101543 is 34510105411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11450101543 is a prime.

It is a super-2 number, since 2×11450101543² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11450101549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29663283 + ... + 29663668.

It is an arithmetic number, because the mean of its divisors is an integer number (2877357172).

Almost surely, 2^11450101543 is an apocalyptic number.

11450101543 is a deficient number, since it is larger than the sum of its proper divisors (59327145).

11450101543 is an equidigital number, since it uses as much as digits as its factorization.

11450101543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59327144.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 11450101543 its reverse (34510105411), we get a palindrome (45960206954).

The spelling of 11450101543 in words is "eleven billion, four hundred fifty million, one hundred one thousand, five hundred forty-three".