12500187561151 has 4 divisors (see below), whose sum is σ = 12500438704432. Its totient is φ = 12499936417872.

The previous prime is 12500187561073. The next prime is 12500187561209. The reversal of 12500187561151 is 15116578100521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12500187561151 - 2⁹ = 12500187560639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12500187561098 and 12500187561107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12506187561151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125496966 + ... + 125596531.

It is an arithmetic number, because the mean of its divisors is an integer number (3125109676108).

Almost surely, 2^{12500187561151} is an apocalyptic number.

12500187561151 is a deficient number, since it is larger than the sum of its proper divisors (251143281).

12500187561151 is an equidigital number, since it uses as much as digits as its factorization.

12500187561151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251143280.

The product of its (nonzero) digits is 84000, while the sum is 43.

The spelling of 12500187561151 in words is "twelve trillion, five hundred billion, one hundred eighty-seven million, five hundred sixty-one thousand, one hundred fifty-one".