2135344743225 has 36 divisors (see below), whose sum is σ = 3913584822576. Its totient is φ = 1112365628640.

The previous prime is 2135344743211. The next prime is 2135344743229. The reversal of 2135344743225 is 5223474435312.

2135344743225 is a `hidden beast` number, since 2 + 1 + 353 + 4 + 4 + 74 + 3 + 225 = 666.

It is not a de Polignac number, because 2135344743225 - 2⁴ = 2135344743209 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (2135344743229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 110344059 + ... + 110363408.

It is an arithmetic number, because the mean of its divisors is an integer number (108710689516).

Almost surely, 2^{2135344743225} is an apocalyptic number.

2135344743225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2135344743225 is a deficient number, since it is larger than the sum of its proper divisors (1778240079351).

2135344743225 is a wasteful number, since it uses less digits than its factorization.

2135344743225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220707526 (or 220707518 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 45.

The spelling of 2135344743225 in words is "two trillion, one hundred thirty-five billion, three hundred forty-four million, seven hundred forty-three thousand, two hundred twenty-five".