11543641101 has 8 divisors (see below), whose sum is σ = 17101690560. Its totient is φ = 7695760716.

The previous prime is 11543641093. The next prime is 11543641103. The reversal of 11543641101 is 10114634511.

11543641101 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 3 + 641 + 10 + 1 = 666.

It is not a de Polignac number, because 11543641101 - 2³ = 11543641093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 427542263 = 11543641101 / (1 + 1 + 5 + 4 + 3 + 6 + 4 + 1 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543641103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213771105 + ... + 213771158.

It is an arithmetic number, because the mean of its divisors is an integer number (2137711320).

Almost surely, 2^11543641101 is an apocalyptic number.

It is an amenable number.

11543641101 is a deficient number, since it is larger than the sum of its proper divisors (5558049459).

11543641101 is an equidigital number, since it uses as much as digits as its factorization.

11543641101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427542272 (or 427542266 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 11543641101 in words is "eleven billion, five hundred forty-three million, six hundred forty-one thousand, one hundred one".