51225432510123 has 48 divisors (see below), whose sum is σ = 76733594870400. Its totient is φ = 32890929281280.

The previous prime is 51225432510103. The next prime is 51225432510139. The reversal of 51225432510123 is 32101523452215.

51225432510123 is a `hidden beast` number, since 5 + 1 + 2 + 2 + 543 + 2 + 5 + 101 + 2 + 3 = 666.

It is not a de Polignac number, because 51225432510123 - 2⁶ = 51225432510059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51225432510103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1432500718 + ... + 1432536476.

It is an arithmetic number, because the mean of its divisors is an integer number (1598616559800).

Almost surely, 2^{51225432510123} is an apocalyptic number.

51225432510123 is a deficient number, since it is larger than the sum of its proper divisors (25508162360277).

51225432510123 is a wasteful number, since it uses less digits than its factorization.

51225432510123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49252 (or 49249 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 51225432510123 its reverse (32101523452215), we get a palindrome (83326955962338).

The spelling of 51225432510123 in words is "fifty-one trillion, two hundred twenty-five billion, four hundred thirty-two million, five hundred ten thousand, one hundred twenty-three".