65505151351378 has 16 divisors (see below), whose sum is σ = 99529885808640. Its totient is φ = 32330285963136.

The previous prime is 65505151351357. The next prime is 65505151351417. The reversal of 65505151351378 is 87315315150556.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440729118 + ... + 440877721.

It is an arithmetic number, because the mean of its divisors is an integer number (6220617863040).

Almost surely, 2^{65505151351378} is an apocalyptic number.

65505151351378 is a deficient number, since it is larger than the sum of its proper divisors (34024734457262).

65505151351378 is a wasteful number, since it uses less digits than its factorization.

65505151351378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881607321.

The product of its (nonzero) digits is 9450000, while the sum is 55.

The spelling of 65505151351378 in words is "sixty-five trillion, five hundred five billion, one hundred fifty-one million, three hundred fifty-one thousand, three hundred seventy-eight".