11520654343040 has 64 divisors (see below), whose sum is σ = 27630122850720. Its totient is φ = 4593444096000.

The previous prime is 11520654343031. The next prime is 11520654343049. The reversal of 11520654343040 is 4034345602511.

It is an interprime number because it is at equal distance from previous prime (11520654343031) and next prime (11520654343049).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 11520654342985 and 11520654343003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520654343049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28741511 + ... + 29139590.

Almost surely, 2^{11520654343040} is an apocalyptic number.

11520654343040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11520654343040 is an abundant number, since it is smaller than the sum of its proper divisors (16109468507680).

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

11520654343040 is an equidigital number, since it uses as much as digits as its factorization.

11520654343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57881431 (or 57881419 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 11520654343040 its reverse (4034345602511), we get a palindrome (15554999945551).

The spelling of 11520654343040 in words is "eleven trillion, five hundred twenty billion, six hundred fifty-four million, three hundred forty-three thousand, forty".