13127509703025 has 144 divisors (see below), whose sum is σ = 24461463324480. Its totient is φ = 6979042425600.

The previous prime is 13127509702987. The next prime is 13127509703027. The reversal of 13127509703025 is 52030790572131.

13127509703025 is a `hidden beast` number, since 1 + 3 + 1 + 27 + 509 + 70 + 30 + 25 = 666.

It is not a de Polignac number, because 13127509703025 - 2¹³ = 13127509694833 is a prime.

It is a super-2 number, since 2×13127509703025² (a number of 27 digits) contains 22 as substring.

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 (13127509703027) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2741177331 + ... + 2741182119.

Almost surely, 2^{13127509703025} is an apocalyptic number.

13127509703025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13127509703025 is a deficient number, since it is larger than the sum of its proper divisors (11333953621455).

13127509703025 is an equidigital number, since it uses as much as digits as its factorization.

13127509703025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158 (or 6141 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The spelling of 13127509703025 in words is "thirteen trillion, one hundred twenty-seven billion, five hundred nine million, seven hundred three thousand, twenty-five".