15115651027 has 2 divisors, whose sum is σ = 15115651028. Its totient is φ = 15115651026.

The previous prime is 15115651013. The next prime is 15115651051. The reversal of 15115651027 is 72015651151.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15115651027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15115650983 and 15115651001.

It is not a weakly prime, because it can be changed into another prime (15115658027) 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, 7557825513 + 7557825514.

It is an arithmetic number, because the mean of its divisors is an integer number (7557825514).

Almost surely, 2^15115651027 is an apocalyptic number.

15115651027 is a deficient number, since it is larger than the sum of its proper divisors (1).

15115651027 is an equidigital number, since it uses as much as digits as its factorization.

15115651027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 34.

The spelling of 15115651027 in words is "fifteen billion, one hundred fifteen million, six hundred fifty-one thousand, twenty-seven".