11609542502629 has 4 divisors (see below), whose sum is σ = 11609556551820. Its totient is φ = 11609528453440.

The previous prime is 11609542502533. The next prime is 11609542502653. The reversal of 11609542502629 is 92620524590611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9138389942529 + 2471152560100 = 3022977^2 + 1571990^2 .

It is a cyclic number.

It is not a de Polignac number, because 11609542502629 - 2¹¹ = 11609542500581 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 (11609542502689) 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, 5702074 + ... + 7465435.

It is an arithmetic number, because the mean of its divisors is an integer number (2902389137955).

Almost surely, 2^{11609542502629} is an apocalyptic number.

It is an amenable number.

11609542502629 is a deficient number, since it is larger than the sum of its proper divisors (14049191).

11609542502629 is an equidigital number, since it uses as much as digits as its factorization.

11609542502629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14049190.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 11609542502629 in words is "eleven trillion, six hundred nine billion, five hundred forty-two million, five hundred two thousand, six hundred twenty-nine".