201018518354 has 16 divisors (see below), whose sum is σ = 311324186880. Its totient is φ = 97245241680.

The previous prime is 201018518347. The next prime is 201018518383. The reversal of 201018518354 is 453815810102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82244 + ... + 639375.

It is an arithmetic number, because the mean of its divisors is an integer number (19457761680).

Almost surely, 2^201018518354 is an apocalyptic number.

201018518354 is a deficient number, since it is larger than the sum of its proper divisors (110305668526).

201018518354 is a wasteful number, since it uses less digits than its factorization.

201018518354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726145.

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 201018518354 in words is "two hundred one billion, eighteen million, five hundred eighteen thousand, three hundred fifty-four".