65261214445 has 32 divisors (see below), whose sum is σ = 92641835520. Its totient is φ = 43181994240.

The previous prime is 65261214413. The next prime is 65261214449. The reversal of 65261214445 is 54441216256.

It is not a de Polignac number, because 65261214445 - 2⁵ = 65261214413 is a prime.

It is a super-2 number, since 2×65261214445² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65261214398 and 65261214407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65261214449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1791715 + ... + 1827775.

It is an arithmetic number, because the mean of its divisors is an integer number (2895057360).

Almost surely, 2^65261214445 is an apocalyptic number.

It is an amenable number.

65261214445 is a deficient number, since it is larger than the sum of its proper divisors (27380621075).

65261214445 is a wasteful number, since it uses less digits than its factorization.

65261214445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37885.

The product of its digits is 230400, while the sum is 40.

The spelling of 65261214445 in words is "sixty-five billion, two hundred sixty-one million, two hundred fourteen thousand, four hundred forty-five".