205523413541 has 8 divisors (see below), whose sum is σ = 208761431424. Its totient is φ = 202309292880.

The previous prime is 205523413499. The next prime is 205523413597. The reversal of 205523413541 is 145314325502.

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

It is a cyclic number.

It is not a de Polignac number, because 205523413541 - 2⁶ = 205523413477 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 (205523410541) 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, 5956970 + ... + 5991371.

It is an arithmetic number, because the mean of its divisors is an integer number (26095178928).

Almost surely, 2^205523413541 is an apocalyptic number.

It is an amenable number.

205523413541 is a deficient number, since it is larger than the sum of its proper divisors (3238017883).

205523413541 is a wasteful number, since it uses less digits than its factorization.

205523413541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11948611.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 205523413541 in words is "two hundred five billion, five hundred twenty-three million, four hundred thirteen thousand, five hundred forty-one".