65061215041 has 3 divisors (see below), whose sum is σ = 65061470113. Its totient is φ = 65060959970.

The previous prime is 65061215039. The next prime is 65061215053. The reversal of 65061215041 is 14051216056.

The square root of 65061215041 is 255071.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 65061215041 - 2¹ = 65061215039 is a prime.

It is a super-2 number, since 2×65061215041² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65061214994 and 65061215012.

It is not an unprimeable number, because it can be changed into a prime (65061215341) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 127536 + ... + 382606.

Almost surely, 2^65061215041 is an apocalyptic number.

65061215041 is the 255071-st square number.

65061215041 is the 127536-th centered octagonal number.

It is an amenable number.

65061215041 is a deficient number, since it is larger than the sum of its proper divisors (255072).

65061215041 is an frugal number, since it uses more digits than its factorization.

65061215041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510142 (or 255071 counting only the distinct ones).

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

The spelling of 65061215041 in words is "sixty-five billion, sixty-one million, two hundred fifteen thousand, forty-one".