205055351542 has 8 divisors (see below), whose sum is σ = 307590158736. Its totient is φ = 102525298632.

The previous prime is 205055351533. The next prime is 205055351549. The reversal of 205055351542 is 245153550502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205055351549) 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, 1078713 + ... + 1254484.

It is an arithmetic number, because the mean of its divisors is an integer number (38448769842).

Almost surely, 2^205055351542 is an apocalyptic number.

205055351542 is a deficient number, since it is larger than the sum of its proper divisors (102534807194).

205055351542 is a wasteful number, since it uses less digits than its factorization.

205055351542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377142.

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 205055351542 in words is "two hundred five billion, fifty-five million, three hundred fifty-one thousand, five hundred forty-two".