65211048450887 has 4 divisors (see below), whose sum is σ = 65211792710520. Its totient is φ = 65210304191256.

The previous prime is 65211048450827. The next prime is 65211048450907. The reversal of 65211048450887 is 78805484011256.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65211048450887 - 2⁴⁴ = 47618862406471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65211048450827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371998373 + ... + 372173630.

It is an arithmetic number, because the mean of its divisors is an integer number (16302948177630).

Almost surely, 2^{65211048450887} is an apocalyptic number.

65211048450887 is a deficient number, since it is larger than the sum of its proper divisors (744259633).

65211048450887 is an equidigital number, since it uses as much as digits as its factorization.

65211048450887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744259632.

The product of its (nonzero) digits is 17203200, while the sum is 59.

The spelling of 65211048450887 in words is "sixty-five trillion, two hundred eleven billion, forty-eight million, four hundred fifty thousand, eight hundred eighty-seven".