15663275051 has 2 divisors, whose sum is σ = 15663275052. Its totient is φ = 15663275050.

The previous prime is 15663275029. The next prime is 15663275053. The reversal of 15663275051 is 15057236651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15663275051 - 2¹⁸ = 15663012907 is a prime.

Together with 15663275053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15663275053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7831637525 + 7831637526.

It is an arithmetic number, because the mean of its divisors is an integer number (7831637526).

Almost surely, 2^15663275051 is an apocalyptic number.

15663275051 is a deficient number, since it is larger than the sum of its proper divisors (1).

15663275051 is an equidigital number, since it uses as much as digits as its factorization.

15663275051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 15663275051 in words is "fifteen billion, six hundred sixty-three million, two hundred seventy-five thousand, fifty-one".