1225668753135 has 64 divisors (see below), whose sum is σ = 2210682792960. Its totient is φ = 644183729280.

The previous prime is 1225668753121. The next prime is 1225668753139. The reversal of 1225668753135 is 5313578665221.

1225668753135 is a `hidden beast` number, since 1 + 2 + 2 + 566 + 8 + 75 + 3 + 1 + 3 + 5 = 666.

It is not a de Polignac number, because 1225668753135 - 2²² = 1225664558831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225668753139) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21413064 + ... + 21470226.

It is an arithmetic number, because the mean of its divisors is an integer number (34541918640).

Almost surely, 2^{1225668753135} is an apocalyptic number.

1225668753135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1225668753135 is a deficient number, since it is larger than the sum of its proper divisors (985014039825).

1225668753135 is a wasteful number, since it uses less digits than its factorization.

1225668753135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59485 (or 59479 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 1225668753135 in words is "one trillion, two hundred twenty-five billion, six hundred sixty-eight million, seven hundred fifty-three thousand, one hundred thirty-five".