11452131522040 has 64 divisors (see below), whose sum is σ = 28252466811360. Its totient is φ = 4143272286720.

The previous prime is 11452131522017. The next prime is 11452131522047. The reversal of 11452131522040 is 4022513125411.

It is a super-4 number, since 4×11452131522040⁴ (a number of 53 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11452131521993 and 11452131522011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11452131522047) 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 15 ways as a sum of consecutive naturals, for example, 65973147 + ... + 66146506.

Almost surely, 2^{11452131522040} is an apocalyptic number.

11452131522040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11452131522040 is an abundant number, since it is smaller than the sum of its proper divisors (16800335289320).

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

11452131522040 is a wasteful number, since it uses less digits than its factorization.

11452131522040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132119872 (or 132119868 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 11452131522040 its reverse (4022513125411), we get a palindrome (15474644647451).

The spelling of 11452131522040 in words is "eleven trillion, four hundred fifty-two billion, one hundred thirty-one million, five hundred twenty-two thousand, forty".