15711872551 has 2 divisors, whose sum is σ = 15711872552. Its totient is φ = 15711872550.

The previous prime is 15711872461. The next prime is 15711872557. The reversal of 15711872551 is 15527811751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15711872551 - 2¹³ = 15711864359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15711872498 and 15711872507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15711872557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7855936275 + 7855936276.

It is an arithmetic number, because the mean of its divisors is an integer number (7855936276).

Almost surely, 2^15711872551 is an apocalyptic number.

15711872551 is a deficient number, since it is larger than the sum of its proper divisors (1).

15711872551 is an equidigital number, since it uses as much as digits as its factorization.

15711872551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98000, while the sum is 43.

The spelling of 15711872551 in words is "fifteen billion, seven hundred eleven million, eight hundred seventy-two thousand, five hundred fifty-one".