101534204543 has 4 divisors (see below), whose sum is σ = 105035384040. Its totient is φ = 98033025048.

The previous prime is 101534204521. The next prime is 101534204561. The reversal of 101534204543 is 345402435101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345402435101 = 271 ⋅1274547731.

It is a cyclic number.

It is not a de Polignac number, because 101534204543 - 2¹² = 101534200447 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 (101534204243) 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, 1750589705 + ... + 1750589762.

It is an arithmetic number, because the mean of its divisors is an integer number (26258846010).

Almost surely, 2^101534204543 is an apocalyptic number.

101534204543 is a deficient number, since it is larger than the sum of its proper divisors (3501179497).

101534204543 is an equidigital number, since it uses as much as digits as its factorization.

101534204543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501179496.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 101534204543 its reverse (345402435101), we get a palindrome (446936639644).

The spelling of 101534204543 in words is "one hundred one billion, five hundred thirty-four million, two hundred four thousand, five hundred forty-three".