101144003543 has 4 divisors (see below), whose sum is σ = 110338912968. Its totient is φ = 91949094120.

The previous prime is 101144003509. The next prime is 101144003549. The reversal of 101144003543 is 345300441101.

It is a happy number.

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 101144003543 - 2⁶ = 101144003479 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 (101144003549) 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, 4597454696 + ... + 4597454717.

It is an arithmetic number, because the mean of its divisors is an integer number (27584728242).

Almost surely, 2^101144003543 is an apocalyptic number.

101144003543 is a deficient number, since it is larger than the sum of its proper divisors (9194909425).

101144003543 is an equidigital number, since it uses as much as digits as its factorization.

101144003543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194909424.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 101144003543 its reverse (345300441101), we get a palindrome (446444444644).

The spelling of 101144003543 in words is "one hundred one billion, one hundred forty-four million, three thousand, five hundred forty-three".