51001101024 has 48 divisors (see below), whose sum is σ = 138494376720. Its totient is φ = 16414146560.

The previous prime is 51001101007. The next prime is 51001101029. The reversal of 51001101024 is 42010110015.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×51001101024² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51001100994 and 51001101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51001101029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9156897 + ... + 9162464.

It is an arithmetic number, because the mean of its divisors is an integer number (2885299515).

Almost surely, 2^51001101024 is an apocalyptic number.

It is an amenable number.

51001101024 is an abundant number, since it is smaller than the sum of its proper divisors (87493275696).

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

51001101024 is a wasteful number, since it uses less digits than its factorization.

51001101024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18319403 (or 18319395 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 51001101024 its reverse (42010110015), we get a palindrome (93011211039).

The spelling of 51001101024 in words is "fifty-one billion, one million, one hundred one thousand, twenty-four".