206013100541 has 4 divisors (see below), whose sum is σ = 206014248000. Its totient is φ = 206011953084.

The previous prime is 206013100507. The next prime is 206013100547. The reversal of 206013100541 is 145001310602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 145001310602 = 2 ⋅72500655301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206013100541 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 (206013100547) 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, 239531 + ... + 685128.

It is an arithmetic number, because the mean of its divisors is an integer number (51503562000).

Almost surely, 2^206013100541 is an apocalyptic number.

It is an amenable number.

206013100541 is a deficient number, since it is larger than the sum of its proper divisors (1147459).

206013100541 is an equidigital number, since it uses as much as digits as its factorization.

206013100541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147458.

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 206013100541 in words is "two hundred six billion, thirteen million, one hundred thousand, five hundred forty-one".