65248642911 has 8 divisors (see below), whose sum is σ = 87006419584. Its totient is φ = 43494980760.

The previous prime is 65248642903. The next prime is 65248642951. The reversal of 65248642911 is 11924684256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65248642911 - 2³ = 65248642903 is a prime.

It is a super-3 number, since 3×65248642911³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65248642951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991435 + ... + 1055196.

It is an arithmetic number, because the mean of its divisors is an integer number (10875802448).

Almost surely, 2^65248642911 is an apocalyptic number.

65248642911 is a deficient number, since it is larger than the sum of its proper divisors (21757776673).

65248642911 is a wasteful number, since it uses less digits than its factorization.

65248642911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057261.

The product of its digits is 829440, while the sum is 48.

The spelling of 65248642911 in words is "sixty-five billion, two hundred forty-eight million, six hundred forty-two thousand, nine hundred eleven".