51103630115 has 8 divisors (see below), whose sum is σ = 61325654688. Its totient is φ = 40882038400.

The previous prime is 51103630091. The next prime is 51103630133.

51103630115 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2^k-51103630115 is a prime.

It is a super-2 number, since 2×51103630115² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274715 + ... + 421515.

It is an arithmetic number, because the mean of its divisors is an integer number (7665706836).

Almost surely, 2^51103630115 is an apocalyptic number.

51103630115 is a deficient number, since it is larger than the sum of its proper divisors (10222024573).

51103630115 is a wasteful number, since it uses less digits than its factorization.

51103630115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216429.

The product of its (nonzero) digits is 1350, while the sum is 26.

The spelling of 51103630115 in words is "fifty-one billion, one hundred three million, six hundred thirty thousand, one hundred fifteen".