1158221100543 has 8 divisors (see below), whose sum is σ = 1663086708528. Its totient is φ = 712751446464.

The previous prime is 1158221100539. The next prime is 1158221100551. The reversal of 1158221100543 is 3450011228511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1158221100543 - 2² = 1158221100539 is a prime.

It is a super-3 number, since 3×1158221100543³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158221100523) 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, 14848988430 + ... + 14848988507.

It is an arithmetic number, because the mean of its divisors is an integer number (207885838566).

Almost surely, 2^{1158221100543} is an apocalyptic number.

1158221100543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1158221100543 is a deficient number, since it is larger than the sum of its proper divisors (504865607985).

1158221100543 is a wasteful number, since it uses less digits than its factorization.

1158221100543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29697976953.

The product of its (nonzero) digits is 9600, while the sum is 33.

The spelling of 1158221100543 in words is "one trillion, one hundred fifty-eight billion, two hundred twenty-one million, one hundred thousand, five hundred forty-three".