11456220500 has 48 divisors (see below), whose sum is σ = 25827529728. Its totient is φ = 4434660000.

The previous prime is 11456220481. The next prime is 11456220509. The reversal of 11456220500 is 502265411.

It is a self number, because there is not a number n which added to its sum of digits gives 11456220500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11456220509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354056 + ... + 385055.

It is an arithmetic number, because the mean of its divisors is an integer number (538073536).

Almost surely, 2^11456220500 is an apocalyptic number.

11456220500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11456220500 is an abundant number, since it is smaller than the sum of its proper divisors (14371309228).

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

11456220500 is a wasteful number, since it uses less digits than its factorization.

11456220500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739161 (or 739149 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11456220500 its reverse (502265411), we get a palindrome (11958485911).

The spelling of 11456220500 in words is "eleven billion, four hundred fifty-six million, two hundred twenty thousand, five hundred".