201816051053255 has 8 divisors (see below), whose sum is σ = 242660730971232. Its totient is φ = 161131861037728.

The previous prime is 201816051053251. The next prime is 201816051053263. The reversal of 201816051053255 is 552350150618102.

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 201816051053255 - 2² = 201816051053251 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 (201816051053251) 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, 40122472844 + ... + 40122477873.

It is an arithmetic number, because the mean of its divisors is an integer number (30332591371404).

Almost surely, 2^{201816051053255} is an apocalyptic number.

201816051053255 is a deficient number, since it is larger than the sum of its proper divisors (40844679917977).

201816051053255 is an equidigital number, since it uses as much as digits as its factorization.

201816051053255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80244951225.

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 201816051053255 in words is "two hundred one trillion, eight hundred sixteen billion, fifty-one million, fifty-three thousand, two hundred fifty-five".