65020071501 has 48 divisors (see below), whose sum is σ = 117142017408. Its totient is φ = 33762355200.

The previous prime is 65020071481. The next prime is 65020071511. The reversal of 65020071501 is 10517002056.

65020071501 is a `hidden beast` number, since 6 + 502 + 0 + 0 + 7 + 150 + 1 = 666.

It is not a de Polignac number, because 65020071501 - 2¹¹ = 65020069453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65020071511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1728445 + ... + 1765661.

It is an arithmetic number, because the mean of its divisors is an integer number (2440458696).

Almost surely, 2^65020071501 is an apocalyptic number.

It is an amenable number.

65020071501 is a deficient number, since it is larger than the sum of its proper divisors (52121945907).

65020071501 is a wasteful number, since it uses less digits than its factorization.

65020071501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39762 (or 39759 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

Adding to 65020071501 its reverse (10517002056), we get a palindrome (75537073557).

The spelling of 65020071501 in words is "sixty-five billion, twenty million, seventy-one thousand, five hundred one".