47145430511 has 2 divisors, whose sum is σ = 47145430512. Its totient is φ = 47145430510.

The previous prime is 47145430483. The next prime is 47145430517. The reversal of 47145430511 is 11503454174.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47145430511 is a prime.

It is a super-2 number, since 2×47145430511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47145430517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23572715255 + 23572715256.

It is an arithmetic number, because the mean of its divisors is an integer number (23572715256).

Almost surely, 2^47145430511 is an apocalyptic number.

47145430511 is a deficient number, since it is larger than the sum of its proper divisors (1).

47145430511 is an equidigital number, since it uses as much as digits as its factorization.

47145430511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 47145430511 its reverse (11503454174), we get a palindrome (58648884685).

The spelling of 47145430511 in words is "forty-seven billion, one hundred forty-five million, four hundred thirty thousand, five hundred eleven".