47811788815 has 16 divisors (see below), whose sum is σ = 65812423680. Its totient is φ = 32664241440.

The previous prime is 47811788809. The next prime is 47811788891. The reversal of 47811788815 is 51888711874.

It is not a de Polignac number, because 47811788815 - 2³ = 47811788807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47811788815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2510905 + ... + 2529874.

It is an arithmetic number, because the mean of its divisors is an integer number (4113276480).

Almost surely, 2^47811788815 is an apocalyptic number.

47811788815 is a deficient number, since it is larger than the sum of its proper divisors (18000634865).

47811788815 is a wasteful number, since it uses less digits than its factorization.

47811788815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041062.

The product of its digits is 4014080, while the sum is 58.

The spelling of 47811788815 in words is "forty-seven billion, eight hundred eleven million, seven hundred eighty-eight thousand, eight hundred fifteen".