205014145025541 has 32 divisors (see below), whose sum is σ = 288240346500480. Its totient is φ = 129257244979200.

The previous prime is 205014145025519. The next prime is 205014145025567. The reversal of 205014145025541 is 145520541410502.

It is not a de Polignac number, because 205014145025541 - 2⁹ = 205014145025029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205014145025541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205014145025741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88377621 + ... + 90667701.

It is an arithmetic number, because the mean of its divisors is an integer number (9007510828140).

Almost surely, 2^{205014145025541} is an apocalyptic number.

It is an amenable number.

205014145025541 is a deficient number, since it is larger than the sum of its proper divisors (83226201474939).

205014145025541 is a wasteful number, since it uses less digits than its factorization.

205014145025541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292837.

The product of its (nonzero) digits is 160000, while the sum is 39.

The spelling of 205014145025541 in words is "two hundred five trillion, fourteen billion, one hundred forty-five million, twenty-five thousand, five hundred forty-one".