2144135255535 has 96 divisors (see below), whose sum is σ = 4583253362688. Its totient is φ = 902978323200.

The previous prime is 2144135255531. The next prime is 2144135255557. The reversal of 2144135255535 is 5355525314412.

2144135255535 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 13 + 52 + 55 + 535 = 666.

It is not a de Polignac number, because 2144135255535 - 2² = 2144135255531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144135255531) 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, 1539310 + ... + 2580260.

It is an arithmetic number, because the mean of its divisors is an integer number (47742222528).

Almost surely, 2^{2144135255535} is an apocalyptic number.

2144135255535 is an abundant number, since it is smaller than the sum of its proper divisors (2439118107153).

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

2144135255535 is a wasteful number, since it uses less digits than its factorization.

2144135255535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041485 (or 1041482 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 45.

The spelling of 2144135255535 in words is "two trillion, one hundred forty-four billion, one hundred thirty-five million, two hundred fifty-five thousand, five hundred thirty-five".