12525115400031 has 8 divisors (see below), whose sum is σ = 17984781087280. Its totient is φ = 7707763323072.

The previous prime is 12525115400011. The next prime is 12525115400041. The reversal of 12525115400031 is 13000451152521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12525115400031 - 2⁷ = 12525115399903 is a prime.

It is a super-2 number, since 2×12525115400031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525115400011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160578402526 + ... + 160578402603.

It is an arithmetic number, because the mean of its divisors is an integer number (2248097635910).

Almost surely, 2^{12525115400031} is an apocalyptic number.

12525115400031 is a deficient number, since it is larger than the sum of its proper divisors (5459665687249).

12525115400031 is a wasteful number, since it uses less digits than its factorization.

12525115400031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321156805145.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 12525115400031 its reverse (13000451152521), we get a palindrome (25525566552552).

The spelling of 12525115400031 in words is "twelve trillion, five hundred twenty-five billion, one hundred fifteen million, four hundred thousand, thirty-one".