11248002557 has 8 divisors (see below), whose sum is σ = 12281626080. Its totient is φ = 10216225360.

The previous prime is 11248002551. The next prime is 11248002569. The reversal of 11248002557 is 75520084211.

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

It is not a de Polignac number, because 11248002557 - 2⁸ = 11248002301 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 (11248002551) 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, 448823 + ... + 473220.

It is an arithmetic number, because the mean of its divisors is an integer number (1535203260).

Almost surely, 2^11248002557 is an apocalyptic number.

It is an amenable number.

11248002557 is a deficient number, since it is larger than the sum of its proper divisors (1033623523).

11248002557 is a wasteful number, since it uses less digits than its factorization.

11248002557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923163.

The product of its (nonzero) digits is 22400, while the sum is 35.

Adding to 11248002557 its reverse (75520084211), we get a palindrome (86768086768).

The spelling of 11248002557 in words is "eleven billion, two hundred forty-eight million, two thousand, five hundred fifty-seven".