11534402250 has 384 divisors, whose sum is σ = 39403293696. Its totient is φ = 2372198400.

The previous prime is 11534402213. The next prime is 11534402251. The reversal of 11534402250 is 5220443511.

11534402250 is a `hidden beast` number, since 1 + 1 + 5 + 3 + 4 + 402 + 250 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11534402251) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6157314 + ... + 6159186.

It is an arithmetic number, because the mean of its divisors is an integer number (102612744).

Almost surely, 2^11534402250 is an apocalyptic number.

11534402250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11534402250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19701646848).

11534402250 is an abundant number, since it is smaller than the sum of its proper divisors (27868891446).

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

11534402250 is a wasteful number, since it uses less digits than its factorization.

11534402250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 11534402250 its reverse (5220443511), we get a palindrome (16754845761).

The spelling of 11534402250 in words is "eleven billion, five hundred thirty-four million, four hundred two thousand, two hundred fifty".