51503401244150 has 24 divisors (see below), whose sum is σ = 98132822081784. Its totient is φ = 20098888289600.

The previous prime is 51503401243979. The next prime is 51503401244167. The reversal of 51503401244150 is 5144210430515.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51503401244150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12561803132 + ... + 12561807231.

It is an arithmetic number, because the mean of its divisors is an integer number (4088867586741).

Almost surely, 2^{51503401244150} is an apocalyptic number.

51503401244150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51503401244150 is a deficient number, since it is larger than the sum of its proper divisors (46629420837634).

51503401244150 is a wasteful number, since it uses less digits than its factorization.

51503401244150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25123610416 (or 25123610411 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 51503401244150 its reverse (5144210430515), we get a palindrome (56647611674665).

The spelling of 51503401244150 in words is "fifty-one trillion, five hundred three billion, four hundred one million, two hundred forty-four thousand, one hundred fifty".