11552122450 has 144 divisors (see below), whose sum is σ = 24835999680. Its totient is φ = 3959200000.

The previous prime is 11552122447. The next prime is 11552122453. The reversal of 11552122450 is 5422125511.

It is an interprime number because it is at equal distance from previous prime (11552122447) and next prime (11552122453).

It is not an unprimeable number, because it can be changed into a prime (11552122453) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 114377400 + ... + 114377500.

It is an arithmetic number, because the mean of its divisors is an integer number (172472220).

Almost surely, 2^11552122450 is an apocalyptic number.

11552122450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11552122450 is an abundant number, since it is smaller than the sum of its proper divisors (13283877230).

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

11552122450 is a wasteful number, since it uses less digits than its factorization.

11552122450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 11552122450 its reverse (5422125511), we get a palindrome (16974247961).

The spelling of 11552122450 in words is "eleven billion, five hundred fifty-two million, one hundred twenty-two thousand, four hundred fifty".