51156302302 has 8 divisors (see below), whose sum is σ = 87696518256. Its totient is φ = 21924129552.

The previous prime is 51156302293. The next prime is 51156302317. The reversal of 51156302302 is 20320365115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51156302302² (a number of 22 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 3 ways as a sum of consecutive naturals, for example, 1827010783 + ... + 1827010810.

It is an arithmetic number, because the mean of its divisors is an integer number (10962064782).

Almost surely, 2^51156302302 is an apocalyptic number.

51156302302 is a deficient number, since it is larger than the sum of its proper divisors (36540215954).

51156302302 is a wasteful number, since it uses less digits than its factorization.

51156302302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654021602.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 51156302302 its reverse (20320365115), we get a palindrome (71476667417).

The spelling of 51156302302 in words is "fifty-one billion, one hundred fifty-six million, three hundred two thousand, three hundred two".