201555054044325 has 72 divisors (see below), whose sum is σ = 380499499018080. Its totient is φ = 101706597129600.

The previous prime is 201555054044273. The next prime is 201555054044327. The reversal of 201555054044325 is 523440450555102.

201555054044325 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 550 + 54 + 0 + 4 + 43 + 2 + 5 = 666.

It is not a de Polignac number, because 201555054044325 - 2²⁹ = 201554517173413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201555054044327) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 27191791 + ... + 33800940.

It is an arithmetic number, because the mean of its divisors is an integer number (5284715264140).

Almost surely, 2^{201555054044325} is an apocalyptic number.

201555054044325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201555054044325 is a deficient number, since it is larger than the sum of its proper divisors (178944444973755).

201555054044325 is a wasteful number, since it uses less digits than its factorization.

201555054044325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60993539 (or 60993531 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 45.

The spelling of 201555054044325 in words is "two hundred one trillion, five hundred fifty-five billion, fifty-four million, forty-four thousand, three hundred twenty-five".