51206280207 has 64 divisors (see below), whose sum is σ = 73159511040. Its totient is φ = 31791412224.

The previous prime is 51206280197. The next prime is 51206280233. The reversal of 51206280207 is 70208260215.

51206280207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51206280207 - 2¹¹ = 51206278159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51206280007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166795548 + ... + 166795854.

It is an arithmetic number, because the mean of its divisors is an integer number (1143117360).

Almost surely, 2^51206280207 is an apocalyptic number.

51206280207 is a deficient number, since it is larger than the sum of its proper divisors (21953230833).

51206280207 is a wasteful number, since it uses less digits than its factorization.

51206280207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 51206280207 in words is "fifty-one billion, two hundred six million, two hundred eighty thousand, two hundred seven".