11520052450 has 48 divisors (see below), whose sum is σ = 22690422720. Its totient is φ = 4339293120.

The previous prime is 11520052447. The next prime is 11520052451. The reversal of 11520052450 is 5425002511.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (11520052451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122344 + ... + 194956.

It is an arithmetic number, because the mean of its divisors is an integer number (472717140).

Almost surely, 2^11520052450 is an apocalyptic number.

11520052450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11520052450 is a deficient number, since it is larger than the sum of its proper divisors (11170370270).

11520052450 is a wasteful number, since it uses less digits than its factorization.

11520052450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72811 (or 72806 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 11520052450 its reverse (5425002511), we get a palindrome (16945054961).

The spelling of 11520052450 in words is "eleven billion, five hundred twenty million, fifty-two thousand, four hundred fifty".