51101025124 has 24 divisors (see below), whose sum is σ = 90633949560. Its totient is φ = 25207274496.

The previous prime is 51101025121. The next prime is 51101025133. The reversal of 51101025124 is 42152010115.

It can be written as a sum of positive squares in 4 ways, for example, as 476025124 + 50625000000 = 21818^2 + 225000^2 .

It is a super-2 number, since 2×51101025124² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51101025095 and 51101025104.

It is not an unprimeable number, because it can be changed into a prime (51101025121) 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, 84739 + ... + 330730.

It is an arithmetic number, because the mean of its divisors is an integer number (3776414565).

Almost surely, 2^51101025124 is an apocalyptic number.

It is an amenable number.

51101025124 is a deficient number, since it is larger than the sum of its proper divisors (39532924436).

51101025124 is a wasteful number, since it uses less digits than its factorization.

51101025124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415887 (or 415885 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 51101025124 its reverse (42152010115), we get a palindrome (93253035239).

The spelling of 51101025124 in words is "fifty-one billion, one hundred one million, twenty-five thousand, one hundred twenty-four".