51011105024 has 72 divisors (see below), whose sum is σ = 113663095392. Its totient is φ = 22647582720.

The previous prime is 51011105021. The next prime is 51011105051. The reversal of 51011105024 is 42050111015.

It is a junction number, because it is equal to n+sod(n) for n = 51011104987 and 51011105005.

It is not an unprimeable number, because it can be changed into a prime (51011105021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89549 + ... + 331724.

Almost surely, 2^51011105024 is an apocalyptic number.

It is an amenable number.

51011105024 is an abundant number, since it is smaller than the sum of its proper divisors (62651990368).

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

51011105024 is a wasteful number, since it uses less digits than its factorization.

51011105024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421343 (or 421329 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 51011105024 its reverse (42050111015), we get a palindrome (93061216039).

The spelling of 51011105024 in words is "fifty-one billion, eleven million, one hundred five thousand, twenty-four".