11252391647 has 8 divisors (see below), whose sum is σ = 13616339616. Its totient is φ = 9077559552.

The previous prime is 11252391599. The next prime is 11252391701. The reversal of 11252391647 is 74619325211.

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 11252391647 - 2²² = 11248197343 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 (11252391347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47278838 + ... + 47279075.

It is an arithmetic number, because the mean of its divisors is an integer number (1702042452).

Almost surely, 2^11252391647 is an apocalyptic number.

11252391647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11252391647 is a deficient number, since it is larger than the sum of its proper divisors (2363947969).

11252391647 is an equidigital number, since it uses as much as digits as its factorization.

11252391647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94557937.

The product of its digits is 90720, while the sum is 41.

The spelling of 11252391647 in words is "eleven billion, two hundred fifty-two million, three hundred ninety-one thousand, six hundred forty-seven".