11320555125 has 64 divisors (see below), whose sum is σ = 20987486208. Its totient is φ = 5371880000.

The previous prime is 11320555121. The next prime is 11320555133. The reversal of 11320555125 is 52155502311.

It is not a de Polignac number, because 11320555125 - 2² = 11320555121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11320555092 and 11320555101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320555121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 164680 + ... + 223070.

It is an arithmetic number, because the mean of its divisors is an integer number (327929472).

Almost surely, 2^11320555125 is an apocalyptic number.

11320555125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11320555125 is a deficient number, since it is larger than the sum of its proper divisors (9666931083).

11320555125 is a wasteful number, since it uses less digits than its factorization.

11320555125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58467 (or 58457 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 11320555125 in words is "eleven billion, three hundred twenty million, five hundred fifty-five thousand, one hundred twenty-five".