12151105436117 has 4 divisors (see below), whose sum is σ = 12151195134816. Its totient is φ = 12151015737420.

The previous prime is 12151105436081. The next prime is 12151105436149. The reversal of 12151105436117 is 71163450115121.

12151105436117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12151105436117 - 2¹⁶ = 12151105370581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12151105438117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44645843 + ... + 44917184.

It is an arithmetic number, because the mean of its divisors is an integer number (3037798783704).

Almost surely, 2^{12151105436117} is an apocalyptic number.

It is an amenable number.

12151105436117 is a deficient number, since it is larger than the sum of its proper divisors (89698699).

12151105436117 is an equidigital number, since it uses as much as digits as its factorization.

12151105436117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89698698.

The product of its (nonzero) digits is 25200, while the sum is 38.

The spelling of 12151105436117 in words is "twelve trillion, one hundred fifty-one billion, one hundred five million, four hundred thirty-six thousand, one hundred seventeen".