2135255125404 has 24 divisors (see below), whose sum is σ = 4982285645568. Its totient is φ = 711748324720.

The previous prime is 2135255125379. The next prime is 2135255125417. The reversal of 2135255125404 is 4045215525312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4475869 + ... + 4929899.

It is an arithmetic number, because the mean of its divisors is an integer number (207595235232).

Almost surely, 2^{2135255125404} is an apocalyptic number.

It is an amenable number.

2135255125404 is an abundant number, since it is smaller than the sum of its proper divisors (2847030520164).

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

2135255125404 is a wasteful number, since it uses less digits than its factorization.

2135255125404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845945 (or 845943 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 2135255125404 in words is "two trillion, one hundred thirty-five billion, two hundred fifty-five million, one hundred twenty-five thousand, four hundred four".