51220103514 has 64 divisors (see below), whose sum is σ = 111368442240. Its totient is φ = 15666013440.

The previous prime is 51220103513. The next prime is 51220103531. The reversal of 51220103514 is 41530102215.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51220103513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184324 + ... + 369344.

It is an arithmetic number, because the mean of its divisors is an integer number (1740131910).

Almost surely, 2^51220103514 is an apocalyptic number.

51220103514 is an abundant number, since it is smaller than the sum of its proper divisors (60148338726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51220103514 is a wasteful number, since it uses less digits than its factorization.

51220103514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185135.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 51220103514 its reverse (41530102215), we get a palindrome (92750205729).

The spelling of 51220103514 in words is "fifty-one billion, two hundred twenty million, one hundred three thousand, five hundred fourteen".