11449250540 has 48 divisors (see below), whose sum is σ = 29591913792. Its totient is φ = 3623498496.

The previous prime is 11449250539. The next prime is 11449250557. The reversal of 11449250540 is 4505294411.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 11449250540.

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 15 ways as a sum of consecutive naturals, for example, 3143579 + ... + 3147218.

It is an arithmetic number, because the mean of its divisors is an integer number (616498204).

Almost surely, 2^11449250540 is an apocalyptic number.

11449250540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11449250540 is an abundant number, since it is smaller than the sum of its proper divisors (18142663252).

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

11449250540 is a wasteful number, since it uses less digits than its factorization.

11449250540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6290826 (or 6290824 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 11449250540 in words is "eleven billion, four hundred forty-nine million, two hundred fifty thousand, five hundred forty".