11520504206040 has 64 divisors (see below), whose sum is σ = 34572594700800. Its totient is φ = 3071149380992.

The previous prime is 11520504206033. The next prime is 11520504206059. The reversal of 11520504206040 is 4060240502511.

It is a super-2 number, since 2×11520504206040² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11520504205989 and 11520504206007.

It is a congruent number.

It is an unprimeable number.

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, 15015942 + ... + 15764501.

It is an arithmetic number, because the mean of its divisors is an integer number (540196792200).

Almost surely, 2^{11520504206040} is an apocalyptic number.

11520504206040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11520504206040 is an abundant number, since it is smaller than the sum of its proper divisors (23052090494760).

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

11520504206040 is a wasteful number, since it uses less digits than its factorization.

11520504206040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30783576 (or 30783572 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 11520504206040 its reverse (4060240502511), we get a palindrome (15580744708551).

The spelling of 11520504206040 in words is "eleven trillion, five hundred twenty billion, five hundred four million, two hundred six thousand, forty".