65135236631536 has 10 divisors (see below), whose sum is σ = 126199520973632. Its totient is φ = 32567618315760.

The previous prime is 65135236631527. The next prime is 65135236631581. The reversal of 65135236631536 is 63513663253156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2035476144720 + ... + 2035476144751.

Almost surely, 2^{65135236631536} is an apocalyptic number.

It is an amenable number.

65135236631536 is a deficient number, since it is larger than the sum of its proper divisors (61064284342096).

65135236631536 is a wasteful number, since it uses less digits than its factorization.

65135236631536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070952289479 (or 4070952289473 counting only the distinct ones).

The product of its digits is 26244000, while the sum is 55.

The spelling of 65135236631536 in words is "sixty-five trillion, one hundred thirty-five billion, two hundred thirty-six million, six hundred thirty-one thousand, five hundred thirty-six".