51130285674 has 64 divisors (see below), whose sum is σ = 115118653440. Its totient is φ = 15032122560.

The previous prime is 51130285669. The next prime is 51130285697. The reversal of 51130285674 is 47658203115.

It is a happy number.

It is a super-2 number, since 2×51130285674² (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 31 ways as a sum of consecutive naturals, for example, 57189 + ... + 324855.

It is an arithmetic number, because the mean of its divisors is an integer number (1798728960).

Almost surely, 2^51130285674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51130285674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57559326720).

51130285674 is an abundant number, since it is smaller than the sum of its proper divisors (63988367766).

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

51130285674 is a wasteful number, since it uses less digits than its factorization.

51130285674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267795.

The product of its (nonzero) digits is 201600, while the sum is 42.

Adding to 51130285674 its reverse (47658203115), we get a palindrome (98788488789).

The spelling of 51130285674 in words is "fifty-one billion, one hundred thirty million, two hundred eighty-five thousand, six hundred seventy-four".