11901223005629 has 16 divisors (see below), whose sum is σ = 12624428673600. Its totient is φ = 11187770108544.

The previous prime is 11901223005577. The next prime is 11901223005643. The reversal of 11901223005629 is 92650032210911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11901223005629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11901223005689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5135207 + ... + 7083275.

It is an arithmetic number, because the mean of its divisors is an integer number (789026792100).

Almost surely, 2^{11901223005629} is an apocalyptic number.

11901223005629 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11901223005629 is a deficient number, since it is larger than the sum of its proper divisors (723205667971).

11901223005629 is a wasteful number, since it uses less digits than its factorization.

11901223005629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950572.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 11901223005629 in words is "eleven trillion, nine hundred one billion, two hundred twenty-three million, five thousand, six hundred twenty-nine".