65140526011 has 4 divisors (see below), whose sum is σ = 71062392024. Its totient is φ = 59218660000.

The previous prime is 65140525993. The next prime is 65140526023. The reversal of 65140526011 is 11062504156.

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 65140526011 - 2¹⁷ = 65140394939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65140526071) 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, 2960932990 + ... + 2960933011.

It is an arithmetic number, because the mean of its divisors is an integer number (17765598006).

Almost surely, 2^65140526011 is an apocalyptic number.

65140526011 is a deficient number, since it is larger than the sum of its proper divisors (5921866013).

65140526011 is a wasteful number, since it uses less digits than its factorization.

65140526011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5921866012.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 65140526011 in words is "sixty-five billion, one hundred forty million, five hundred twenty-six thousand, eleven".