51130513151252 has 48 divisors (see below), whose sum is σ = 89756384256000. Its totient is φ = 25485978403584.

The previous prime is 51130513151233. The next prime is 51130513151269. The reversal of 51130513151252 is 25215131503115.

It is a super-2 number, since 2×51130513151252² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6721504433 + ... + 6721512039.

It is an arithmetic number, because the mean of its divisors is an integer number (1869924672000).

Almost surely, 2^{51130513151252} is an apocalyptic number.

It is an amenable number.

51130513151252 is a deficient number, since it is larger than the sum of its proper divisors (38625871104748).

51130513151252 is a wasteful number, since it uses less digits than its factorization.

51130513151252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11768 (or 11766 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

Adding to 51130513151252 its reverse (25215131503115), we get a palindrome (76345644654367).

The spelling of 51130513151252 in words is "fifty-one trillion, one hundred thirty billion, five hundred thirteen million, one hundred fifty-one thousand, two hundred fifty-two".