64754233511 has 12 divisors (see below), whose sum is σ = 73845872520. Its totient is φ = 56308024080.

The previous prime is 64754233493. The next prime is 64754233513. The reversal of 64754233511 is 11533245746.

It is a de Polignac number, because none of the positive numbers 2^k-64754233511 is a prime.

It is a super-2 number, since 2×64754233511² (a number of 22 digits) contains 22 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 (64754233513) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5558216 + ... + 5569853.

It is an arithmetic number, because the mean of its divisors is an integer number (6153822710).

Almost surely, 2^64754233511 is an apocalyptic number.

64754233511 is a deficient number, since it is larger than the sum of its proper divisors (9091639009).

64754233511 is a wasteful number, since it uses less digits than its factorization.

64754233511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11128126 (or 11128103 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The spelling of 64754233511 in words is "sixty-four billion, seven hundred fifty-four million, two hundred thirty-three thousand, five hundred eleven".