51380788580107 has 12 divisors (see below), whose sum is σ = 59772475237536. Its totient is φ = 44038475360880.

The previous prime is 51380788580081. The next prime is 51380788580119. The reversal of 51380788580107 is 70108588708315.

It is a de Polignac number, because none of the positive numbers 2^k-51380788580107 is a prime.

It is a super-2 number, since 2×51380788580107² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51380788580137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25206163 + ... + 27168220.

It is an arithmetic number, because the mean of its divisors is an integer number (4981039603128).

Almost surely, 2^{51380788580107} is an apocalyptic number.

51380788580107 is a deficient number, since it is larger than the sum of its proper divisors (8391686657429).

51380788580107 is a wasteful number, since it uses less digits than its factorization.

51380788580107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52394418 (or 52394411 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 61.

The spelling of 51380788580107 in words is "fifty-one trillion, three hundred eighty billion, seven hundred eighty-eight million, five hundred eighty thousand, one hundred seven".