51515145314 has 8 divisors (see below), whose sum is σ = 77279298048. Its totient is φ = 25755379300.

The previous prime is 51515145301. The next prime is 51515145359. The reversal of 51515145314 is 41354151515.

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

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, 1067162 + ... + 1114389.

It is an arithmetic number, because the mean of its divisors is an integer number (9659912256).

Almost surely, 2^51515145314 is an apocalyptic number.

51515145314 is a deficient number, since it is larger than the sum of its proper divisors (25764152734).

51515145314 is a wasteful number, since it uses less digits than its factorization.

51515145314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193360.

The product of its digits is 30000, while the sum is 35.

Adding to 51515145314 its reverse (41354151515), we get a palindrome (92869296829).

The spelling of 51515145314 in words is "fifty-one billion, five hundred fifteen million, one hundred forty-five thousand, three hundred fourteen".