64747111135 has 24 divisors (see below), whose sum is σ = 90413746560. Its totient is φ = 44382268224.

The previous prime is 64747111133. The next prime is 64747111157. The reversal of 64747111135 is 53111174746.

It is not a de Polignac number, because 64747111135 - 2¹ = 64747111133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64747111133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 667282 + ... + 758128.

It is an arithmetic number, because the mean of its divisors is an integer number (3767239440).

Almost surely, 2^64747111135 is an apocalyptic number.

64747111135 is a deficient number, since it is larger than the sum of its proper divisors (25666635425).

64747111135 is a wasteful number, since it uses less digits than its factorization.

64747111135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93775 (or 93768 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The spelling of 64747111135 in words is "sixty-four billion, seven hundred forty-seven million, one hundred eleven thousand, one hundred thirty-five".