11501531524452 has 12 divisors (see below), whose sum is σ = 26836906890416. Its totient is φ = 3833843841480.

The previous prime is 11501531524423. The next prime is 11501531524501. The reversal of 11501531524452 is 25442513510511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11501531524452.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479230480174 + ... + 479230480197.

Almost surely, 2^{11501531524452} is an apocalyptic number.

11501531524452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11501531524452 is an abundant number, since it is smaller than the sum of its proper divisors (15335375365964).

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

11501531524452 is a wasteful number, since it uses less digits than its factorization.

11501531524452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958460960378 (or 958460960376 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 11501531524452 in words is "eleven trillion, five hundred one billion, five hundred thirty-one million, five hundred twenty-four thousand, four hundred fifty-two".