12125187011515 has 8 divisors (see below), whose sum is σ = 15406119967680. Its totient is φ = 9129552573312.

The previous prime is 12125187011503. The next prime is 12125187011519. The reversal of 12125187011515 is 51511078152121.

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

It is a cyclic number.

It is not a de Polignac number, because 12125187011515 - 2²⁵ = 12125153457083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12125187011519) 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, 71324629395 + ... + 71324629564.

It is an arithmetic number, because the mean of its divisors is an integer number (1925764995960).

Almost surely, 2^{12125187011515} is an apocalyptic number.

12125187011515 is a deficient number, since it is larger than the sum of its proper divisors (3280932956165).

12125187011515 is a wasteful number, since it uses less digits than its factorization.

12125187011515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142649258981.

The product of its (nonzero) digits is 28000, while the sum is 40.

The spelling of 12125187011515 in words is "twelve trillion, one hundred twenty-five billion, one hundred eighty-seven million, eleven thousand, five hundred fifteen".