15056506651 has 2 divisors, whose sum is σ = 15056506652. Its totient is φ = 15056506650.

The previous prime is 15056506627. The next prime is 15056506657. The reversal of 15056506651 is 15660565051.

It is a strong prime.

It is an emirp because it is prime and its reverse (15660565051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15056506651 - 2⁷ = 15056506523 is a prime.

It is not a weakly prime, because it can be changed into another prime (15056506657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7528253325 + 7528253326.

It is an arithmetic number, because the mean of its divisors is an integer number (7528253326).

Almost surely, 2^15056506651 is an apocalyptic number.

15056506651 is a deficient number, since it is larger than the sum of its proper divisors (1).

15056506651 is an equidigital number, since it uses as much as digits as its factorization.

15056506651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 15056506651 in words is "fifteen billion, fifty-six million, five hundred six thousand, six hundred fifty-one".