51103235025412 has 48 divisors (see below), whose sum is σ = 90688912296192. Its totient is φ = 25194733724160.

The previous prime is 51103235025389. The next prime is 51103235025461. The reversal of 51103235025412 is 21452053230115.

It is a super-2 number, since 2×51103235025412² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82618963 + ... + 83235205.

It is an arithmetic number, because the mean of its divisors is an integer number (1889352339504).

Almost surely, 2^{51103235025412} is an apocalyptic number.

It is an amenable number.

51103235025412 is a deficient number, since it is larger than the sum of its proper divisors (39585677270780).

51103235025412 is a wasteful number, since it uses less digits than its factorization.

51103235025412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617308 (or 617306 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 51103235025412 its reverse (21452053230115), we get a palindrome (72555288255527).

The spelling of 51103235025412 in words is "fifty-one trillion, one hundred three billion, two hundred thirty-five million, twenty-five thousand, four hundred twelve".