2054311451285 has 8 divisors (see below), whose sum is σ = 2467311800280. Its totient is φ = 1642023788544.

The previous prime is 2054311451281. The next prime is 2054311451351. The reversal of 2054311451285 is 5821541134502.

It can be written as a sum of positive squares in 4 ways, for example, as 585740723569 + 1468570727716 = 765337^2 + 1211846^2 .

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 2054311451285 - 2² = 2054311451281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054311451281) 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, 178165220 + ... + 178176749.

It is an arithmetic number, because the mean of its divisors is an integer number (308413975035).

Almost surely, 2^{2054311451285} is an apocalyptic number.

It is an amenable number.

2054311451285 is a deficient number, since it is larger than the sum of its proper divisors (413000348995).

2054311451285 is a wasteful number, since it uses less digits than its factorization.

2054311451285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356343127.

The product of its (nonzero) digits is 192000, while the sum is 41.

Adding to 2054311451285 its reverse (5821541134502), we get a palindrome (7875852585787).

The spelling of 2054311451285 in words is "two trillion, fifty-four billion, three hundred eleven million, four hundred fifty-one thousand, two hundred eighty-five".