11607620729 has 4 divisors (see below), whose sum is σ = 11647237476. Its totient is φ = 11568003984.

The previous prime is 11607620701. The next prime is 11607620813. The reversal of 11607620729 is 92702670611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92702670611 = 1877 ⋅49388743.

It can be written as a sum of positive squares in 2 ways, for example, as 6880370704 + 4727250025 = 82948^2 + 68755^2 .

It is a cyclic number.

It is not a de Polignac number, because 11607620729 - 2¹² = 11607616633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11607650729) 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, 19807934 + ... + 19808519.

It is an arithmetic number, because the mean of its divisors is an integer number (2911809369).

Almost surely, 2^11607620729 is an apocalyptic number.

It is an amenable number.

11607620729 is a deficient number, since it is larger than the sum of its proper divisors (39616747).

11607620729 is an equidigital number, since it uses as much as digits as its factorization.

11607620729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39616746.

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 11607620729 in words is "eleven billion, six hundred seven million, six hundred twenty thousand, seven hundred twenty-nine".