11120520506531 has 8 divisors (see below), whose sum is σ = 11233279468128. Its totient is φ = 11007813600000.

The previous prime is 11120520506503. The next prime is 11120520506539. The reversal of 11120520506531 is 13560502502111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11120520506531 - 2²⁶ = 11120453397667 is a prime.

It is a super-2 number, since 2×11120520506531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11120520506539) 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, 12584270 + ... + 13438931.

It is an arithmetic number, because the mean of its divisors is an integer number (1404159933516).

Almost surely, 2^{11120520506531} is an apocalyptic number.

11120520506531 is a deficient number, since it is larger than the sum of its proper divisors (112758961597).

11120520506531 is a wasteful number, since it uses less digits than its factorization.

11120520506531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26027533.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 11120520506531 in words is "eleven trillion, one hundred twenty billion, five hundred twenty million, five hundred six thousand, five hundred thirty-one".