1004001435255 has 96 divisors (see below), whose sum is σ = 2030272763904. Its totient is φ = 414652013568.

The previous prime is 1004001435253. The next prime is 1004001435293. The reversal of 1004001435255 is 5525341004001.

It is not a de Polignac number, because 1004001435255 - 2¹ = 1004001435253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004001435253) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 232107 + ... + 1435923.

It is an arithmetic number, because the mean of its divisors is an integer number (21148674624).

Almost surely, 2^{1004001435255} is an apocalyptic number.

1004001435255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1004001435255 is an abundant number, since it is smaller than the sum of its proper divisors (1026271328649).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1004001435255 is a wasteful number, since it uses less digits than its factorization.

1004001435255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203905 (or 1203892 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 1004001435255 its reverse (5525341004001), we get a palindrome (6529342439256).

The spelling of 1004001435255 in words is "one trillion, four billion, one million, four hundred thirty-five thousand, two hundred fifty-five".