51025001512 has 16 divisors (see below), whose sum is σ = 98005338900. Its totient is φ = 24890244480.

The previous prime is 51025001453. The next prime is 51025001539. The reversal of 51025001512 is 21510052015.

It is a happy number.

51025001512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35776209316 + 15248792196 = 189146^2 + 123486^2 .

It is a super-2 number, since 2×51025001512² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77781687 + ... + 77782342.

Almost surely, 2^51025001512 is an apocalyptic number.

It is an amenable number.

51025001512 is a deficient number, since it is larger than the sum of its proper divisors (46980337388).

51025001512 is a wasteful number, since it uses less digits than its factorization.

51025001512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155564076 (or 155564072 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 51025001512 its reverse (21510052015), we get a palindrome (72535053527).

The spelling of 51025001512 in words is "fifty-one billion, twenty-five million, one thousand, five hundred twelve".