15121265325451 has 2 divisors, whose sum is σ = 15121265325452. Its totient is φ = 15121265325450.

The previous prime is 15121265325437. The next prime is 15121265325521. The reversal of 15121265325451 is 15452356212151.

It is a weak prime.

It is an emirp because it is prime and its reverse (15452356212151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15121265325451 - 2¹³ = 15121265317259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15121265325398 and 15121265325407.

It is not a weakly prime, because it can be changed into another prime (15121268325451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7560632662725 + 7560632662726.

It is an arithmetic number, because the mean of its divisors is an integer number (7560632662726).

Almost surely, 2^{15121265325451} is an apocalyptic number.

15121265325451 is a deficient number, since it is larger than the sum of its proper divisors (1).

15121265325451 is an equidigital number, since it uses as much as digits as its factorization.

15121265325451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360000, while the sum is 43.

The spelling of 15121265325451 in words is "fifteen trillion, one hundred twenty-one billion, two hundred sixty-five million, three hundred twenty-five thousand, four hundred fifty-one".