1804042801255 has 4 divisors (see below), whose sum is σ = 2164851361512. Its totient is φ = 1443234241000.

The previous prime is 1804042801219. The next prime is 1804042801279. The reversal of 1804042801255 is 5521082404081.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1804042801255 - 2¹⁵ = 1804042768487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180404280121 + ... + 180404280130.

It is an arithmetic number, because the mean of its divisors is an integer number (541212840378).

Almost surely, 2^{1804042801255} is an apocalyptic number.

1804042801255 is a deficient number, since it is larger than the sum of its proper divisors (360808560257).

1804042801255 is an equidigital number, since it uses as much as digits as its factorization.

1804042801255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360808560256.

The product of its (nonzero) digits is 102400, while the sum is 40.

The spelling of 1804042801255 in words is "one trillion, eight hundred four billion, forty-two million, eight hundred one thousand, two hundred fifty-five".