1001151224543 has 4 divisors (see below), whose sum is σ = 1001437353000. Its totient is φ = 1000865096088.

The previous prime is 1001151224537. The next prime is 1001151224561. The reversal of 1001151224543 is 3454221511001.

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 1001151224543 - 2⁸ = 1001151224287 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 (1001151214543) 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, 143058980 + ... + 143065977.

It is an arithmetic number, because the mean of its divisors is an integer number (250359338250).

Almost surely, 2^{1001151224543} is an apocalyptic number.

1001151224543 is a deficient number, since it is larger than the sum of its proper divisors (286128457).

1001151224543 is an equidigital number, since it uses as much as digits as its factorization.

1001151224543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286128456.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 1001151224543 its reverse (3454221511001), we get a palindrome (4455372735544).

The spelling of 1001151224543 in words is "one trillion, one billion, one hundred fifty-one million, two hundred twenty-four thousand, five hundred forty-three".