65655111461 has 4 divisors (see below), whose sum is σ = 65656309152. Its totient is φ = 65653913772.

The previous prime is 65655111433. The next prime is 65655111463. The reversal of 65655111461 is 16411155656.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65655111461 - 2¹⁸ = 65654849317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65655111463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512465 + ... + 627638.

It is an arithmetic number, because the mean of its divisors is an integer number (16414077288).

Almost surely, 2^65655111461 is an apocalyptic number.

It is an amenable number.

65655111461 is a deficient number, since it is larger than the sum of its proper divisors (1197691).

65655111461 is a wasteful number, since it uses less digits than its factorization.

65655111461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197690.

The product of its digits is 108000, while the sum is 41.

The spelling of 65655111461 in words is "sixty-five billion, six hundred fifty-five million, one hundred eleven thousand, four hundred sixty-one".