11252391648 has 48 divisors (see below), whose sum is σ = 29978403840. Its totient is φ = 3694813056.

The previous prime is 11252391599. The next prime is 11252391701. The reversal of 11252391648 is 84619325211.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 868288 + ... + 881151.

It is an arithmetic number, because the mean of its divisors is an integer number (624550080).

Almost surely, 2^11252391648 is an apocalyptic number.

It is an amenable number.

11252391648 is an abundant number, since it is smaller than the sum of its proper divisors (18726012192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11252391648 is a wasteful number, since it uses less digits than its factorization.

11252391648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749519 (or 1749511 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The spelling of 11252391648 in words is "eleven billion, two hundred fifty-two million, three hundred ninety-one thousand, six hundred forty-eight".