11429220887 has 8 divisors (see below), whose sum is σ = 13830317856. Its totient is φ = 9220211712.

The previous prime is 11429220883. The next prime is 11429220889. The reversal of 11429220887 is 78802292411.

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

It is a cyclic number.

It is not a de Polignac number, because 11429220887 - 2² = 11429220883 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 (11429220883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48021818 + ... + 48022055.

It is an arithmetic number, because the mean of its divisors is an integer number (1728789732).

Almost surely, 2^11429220887 is an apocalyptic number.

11429220887 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11429220887 is a deficient number, since it is larger than the sum of its proper divisors (2401096969).

11429220887 is an equidigital number, since it uses as much as digits as its factorization.

11429220887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96043897.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 11429220887 in words is "eleven billion, four hundred twenty-nine million, two hundred twenty thousand, eight hundred eighty-seven".