47919636511 has 16 divisors (see below), whose sum is σ = 52604121600. Its totient is φ = 43505485408.

The previous prime is 47919636509. The next prime is 47919636529. The reversal of 47919636511 is 11563691974.

It is not a de Polignac number, because 47919636511 - 2¹ = 47919636509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47919633511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569491 + ... + 648196.

It is an arithmetic number, because the mean of its divisors is an integer number (3287757600).

Almost surely, 2^47919636511 is an apocalyptic number.

47919636511 is a deficient number, since it is larger than the sum of its proper divisors (4684485089).

47919636511 is a wasteful number, since it uses less digits than its factorization.

47919636511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217798.

The product of its digits is 1224720, while the sum is 52.

The spelling of 47919636511 in words is "forty-seven billion, nine hundred nineteen million, six hundred thirty-six thousand, five hundred eleven".