51102401512 has 16 divisors (see below), whose sum is σ = 99982959840. Its totient is φ = 24440278896.

The previous prime is 51102401503. The next prime is 51102401561. The reversal of 51102401512 is 21510420115.

It is a super-3 number, since 3×51102401512³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 138865038 + ... + 138865405.

It is an arithmetic number, because the mean of its divisors is an integer number (6248934990).

Almost surely, 2^51102401512 is an apocalyptic number.

It is an amenable number.

51102401512 is a deficient number, since it is larger than the sum of its proper divisors (48880558328).

51102401512 is a wasteful number, since it uses less digits than its factorization.

51102401512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277730472 (or 277730468 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 51102401512 its reverse (21510420115), we get a palindrome (72612821627).

The spelling of 51102401512 in words is "fifty-one billion, one hundred two million, four hundred one thousand, five hundred twelve".