15396063689231 has 2 divisors, whose sum is σ = 15396063689232. Its totient is φ = 15396063689230.

The previous prime is 15396063689141. The next prime is 15396063689261. The reversal of 15396063689231 is 13298636069351.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15396063689231 is a prime.

It is a super-2 number, since 2×15396063689231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15396063689261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7698031844615 + 7698031844616.

It is an arithmetic number, because the mean of its divisors is an integer number (7698031844616).

Almost surely, 2^{15396063689231} is an apocalyptic number.

15396063689231 is a deficient number, since it is larger than the sum of its proper divisors (1).

15396063689231 is an equidigital number, since it uses as much as digits as its factorization.

15396063689231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37791360, while the sum is 62.

The spelling of 15396063689231 in words is "fifteen trillion, three hundred ninety-six billion, sixty-three million, six hundred eighty-nine thousand, two hundred thirty-one".