1421511000255 has 16 divisors (see below), whose sum is σ = 2527130667360. Its totient is φ = 758139200064.

The previous prime is 1421511000233. The next prime is 1421511000307. The reversal of 1421511000255 is 5520001151241.

It is a happy number.

1421511000255 is a `hidden beast` number, since 142 + 1 + 511 + 0 + 0 + 0 + 2 + 5 + 5 = 666.

It is not a de Polignac number, because 1421511000255 - 2⁵ = 1421511000223 is a prime.

It is a super-2 number, since 2×1421511000255² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5264855422 + ... + 5264855691.

It is an arithmetic number, because the mean of its divisors is an integer number (157945666710).

Almost surely, 2^{1421511000255} is an apocalyptic number.

1421511000255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1421511000255 is a deficient number, since it is larger than the sum of its proper divisors (1105619667105).

1421511000255 is a wasteful number, since it uses less digits than its factorization.

1421511000255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10529711127 (or 10529711121 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

Adding to 1421511000255 its reverse (5520001151241), we get a palindrome (6941512151496).

The spelling of 1421511000255 in words is "one trillion, four hundred twenty-one billion, five hundred eleven million, two hundred fifty-five", and thus it is an aban number.