11401227629 has 4 divisors (see below), whose sum is σ = 12437702880. Its totient is φ = 10364752380.

The previous prime is 11401227601. The next prime is 11401227661. The reversal of 11401227629 is 92672210411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11401227629 - 2²⁰ = 11400179053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401227689) 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 3 ways as a sum of consecutive naturals, for example, 518237609 + ... + 518237630.

It is an arithmetic number, because the mean of its divisors is an integer number (3109425720).

Almost surely, 2^11401227629 is an apocalyptic number.

It is an amenable number.

11401227629 is a deficient number, since it is larger than the sum of its proper divisors (1036475251).

11401227629 is a wasteful number, since it uses less digits than its factorization.

11401227629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036475250.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 11401227629 in words is "eleven billion, four hundred one million, two hundred twenty-seven thousand, six hundred twenty-nine".