65611465401 has 16 divisors (see below), whose sum is σ = 88803892800. Its totient is φ = 43080246528.

The previous prime is 65611465393. The next prime is 65611465427. The reversal of 65611465401 is 10456411656.

It is a happy number.

It is not a de Polignac number, because 65611465401 - 2³ = 65611465393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65611465401.

It is not an unprimeable number, because it can be changed into a prime (65611465501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197085 + ... + 1250693.

It is an arithmetic number, because the mean of its divisors is an integer number (5550243300).

Almost surely, 2^65611465401 is an apocalyptic number.

It is an amenable number.

65611465401 is a deficient number, since it is larger than the sum of its proper divisors (23192427399).

65611465401 is a wasteful number, since it uses less digits than its factorization.

65611465401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59768.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 65611465401 in words is "sixty-five billion, six hundred eleven million, four hundred sixty-five thousand, four hundred one".