65665001235 has 16 divisors (see below), whose sum is σ = 105067297440. Its totient is φ = 35020235520.

The previous prime is 65665001221. The next prime is 65665001251. The reversal of 65665001235 is 53210056656.

It is not a de Polignac number, because 65665001235 - 2²⁹ = 65128130323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65665001193 and 65665001202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711445 + ... + 798425.

It is an arithmetic number, because the mean of its divisors is an integer number (6566706090).

Almost surely, 2^65665001235 is an apocalyptic number.

65665001235 is a deficient number, since it is larger than the sum of its proper divisors (39402296205).

65665001235 is a wasteful number, since it uses less digits than its factorization.

65665001235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137318.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 65665001235 in words is "sixty-five billion, six hundred sixty-five million, one thousand, two hundred thirty-five".