50947523111 has 2 divisors, whose sum is σ = 50947523112. Its totient is φ = 50947523110.

The previous prime is 50947523101. The next prime is 50947523129. The reversal of 50947523111 is 11132574905.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50947523111 is a prime.

It is a super-2 number, since 2×50947523111² (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 (50947523101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25473761555 + 25473761556.

It is an arithmetic number, because the mean of its divisors is an integer number (25473761556).

Almost surely, 2^50947523111 is an apocalyptic number.

50947523111 is a deficient number, since it is larger than the sum of its proper divisors (1).

50947523111 is an equidigital number, since it uses as much as digits as its factorization.

50947523111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 50947523111 in words is "fifty billion, nine hundred forty-seven million, five hundred twenty-three thousand, one hundred eleven".