47750520511 has 4 divisors (see below), whose sum is σ = 47752794832. Its totient is φ = 47748246192.

The previous prime is 47750520469. The next prime is 47750520523. The reversal of 47750520511 is 11502505774.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47750520511 - 2¹¹ = 47750518463 is a prime.

It is a super-2 number, since 2×47750520511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47750530511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105371 + ... + 1147756.

It is an arithmetic number, because the mean of its divisors is an integer number (11938198708).

Almost surely, 2^47750520511 is an apocalyptic number.

47750520511 is a deficient number, since it is larger than the sum of its proper divisors (2274321).

47750520511 is a wasteful number, since it uses less digits than its factorization.

47750520511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274320.

The product of its (nonzero) digits is 49000, while the sum is 37.

The spelling of 47750520511 in words is "forty-seven billion, seven hundred fifty million, five hundred twenty thousand, five hundred eleven".