65240539355 has 8 divisors (see below), whose sum is σ = 78291064032. Its totient is φ = 52190820288.

The previous prime is 65240539321. The next prime is 65240539361. The reversal of 65240539355 is 55393504256.

65240539355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65240539355 - 2⁸ = 65240539099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6002 + ... + 361271.

It is an arithmetic number, because the mean of its divisors is an integer number (9786383004).

Almost surely, 2^65240539355 is an apocalyptic number.

65240539355 is a deficient number, since it is larger than the sum of its proper divisors (13050524677).

65240539355 is a wasteful number, since it uses less digits than its factorization.

65240539355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402805.

The product of its (nonzero) digits is 2430000, while the sum is 47.

The spelling of 65240539355 in words is "sixty-five billion, two hundred forty million, five hundred thirty-nine thousand, three hundred fifty-five".