11709461694621 has 8 divisors (see below), whose sum is σ = 15630790934560. Its totient is φ = 7797220125552.

The previous prime is 11709461694617. The next prime is 11709461694631. The reversal of 11709461694621 is 12649616490711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11709461694621 - 2² = 11709461694617 is a prime.

It is a super-2 number, since 2×11709461694621² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11709461694631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271914710 + ... + 2271919863.

It is an arithmetic number, because the mean of its divisors is an integer number (1953848866820).

Almost surely, 2^{11709461694621} is an apocalyptic number.

It is an amenable number.

11709461694621 is a deficient number, since it is larger than the sum of its proper divisors (3921329239939).

11709461694621 is an equidigital number, since it uses as much as digits as its factorization.

11709461694621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543835435.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 11709461694621 in words is "eleven trillion, seven hundred nine billion, four hundred sixty-one million, six hundred ninety-four thousand, six hundred twenty-one".