511660006122444 has 24 divisors (see below), whose sum is σ = 1193876977688640. Its totient is φ = 170552816792784.

The previous prime is 511660006122437. The next prime is 511660006122467. The reversal of 511660006122444 is 444221600066115.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 511660006122396 and 511660006122405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60701134 + ... + 68614485.

It is an arithmetic number, because the mean of its divisors is an integer number (49744874070360).

Almost surely, 2^{511660006122444} is an apocalyptic number.

It is an amenable number.

511660006122444 is an abundant number, since it is smaller than the sum of its proper divisors (682216971566196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511660006122444 is a wasteful number, since it uses less digits than its factorization.

511660006122444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129645349 (or 129645347 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

Adding to 511660006122444 its reverse (444221600066115), we get a palindrome (955881606188559).

The spelling of 511660006122444 in words is "five hundred eleven trillion, six hundred sixty billion, six million, one hundred twenty-two thousand, four hundred forty-four".