69661006065051 has 4 divisors (see below), whose sum is σ = 92881341420072. Its totient is φ = 46440670710032.

The previous prime is 69661006065019. The next prime is 69661006065089. The reversal of 69661006065051 is 15056060016696.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69661006065051 - 2⁵ = 69661006065019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69661006064985 and 69661006065003.

It is not an unprimeable number, because it can be changed into a prime (69661026065051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11610167677506 + ... + 11610167677511.

It is an arithmetic number, because the mean of its divisors is an integer number (23220335355018).

Almost surely, 2^{69661006065051} is an apocalyptic number.

69661006065051 is a deficient number, since it is larger than the sum of its proper divisors (23220335355021).

69661006065051 is a wasteful number, since it uses less digits than its factorization.

69661006065051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23220335355020.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 69661006065051 in words is "sixty-nine trillion, six hundred sixty-one billion, six million, sixty-five thousand, fifty-one".