11445523651540 has 96 divisors (see below), whose sum is σ = 28187937792000. Its totient is φ = 3859062779520.

The previous prime is 11445523651519. The next prime is 11445523651543. The reversal of 11445523651540 is 4515632554411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445523651543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28932940 + ... + 29325859.

It is an arithmetic number, because the mean of its divisors is an integer number (293624352000).

Almost surely, 2^{11445523651540} is an apocalyptic number.

11445523651540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11445523651540 is an abundant number, since it is smaller than the sum of its proper divisors (16742414140460).

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

11445523651540 is a wasteful number, since it uses less digits than its factorization.

11445523651540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58258885 (or 58258883 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 46.

The spelling of 11445523651540 in words is "eleven trillion, four hundred forty-five billion, five hundred twenty-three million, six hundred fifty-one thousand, five hundred forty".