51662251115 has 16 divisors (see below), whose sum is σ = 65342505600. Its totient is φ = 39151711872.

The previous prime is 51662251097. The next prime is 51662251153. The reversal of 51662251115 is 51115226615.

51662251115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51662251115 - 2³² = 47367283819 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3353555 + ... + 3368924.

It is an arithmetic number, because the mean of its divisors is an integer number (4083906600).

Almost surely, 2^51662251115 is an apocalyptic number.

51662251115 is a deficient number, since it is larger than the sum of its proper divisors (13680254485).

51662251115 is a wasteful number, since it uses less digits than its factorization.

51662251115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722566.

The product of its digits is 18000, while the sum is 35.

The spelling of 51662251115 in words is "fifty-one billion, six hundred sixty-two million, two hundred fifty-one thousand, one hundred fifteen".