65266555042 has 32 divisors (see below), whose sum is σ = 105770449008. Its totient is φ = 30026059776.

The previous prime is 65266555007. The next prime is 65266555043. The reversal of 65266555042 is 24055566256.

It can be written as a sum of positive squares in 8 ways, for example, as 1697522401 + 63569032641 = 41201^2 + 252129^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 65266554983 and 65266555001.

It is not an unprimeable number, because it can be changed into a prime (65266555043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17481808 + ... + 17485540.

Almost surely, 2^65266555042 is an apocalyptic number.

65266555042 is a deficient number, since it is larger than the sum of its proper divisors (40503893966).

65266555042 is a wasteful number, since it uses less digits than its factorization.

65266555042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734.

The product of its (nonzero) digits is 2160000, while the sum is 46.

It can be divided in two parts, 652665 and 55042, that added together give a palindrome (707707).

The spelling of 65266555042 in words is "sixty-five billion, two hundred sixty-six million, five hundred fifty-five thousand, forty-two".