11530054250 has 64 divisors (see below), whose sum is σ = 25357812480. Its totient is φ = 3870216000.

The previous prime is 11530054213. The next prime is 11530054343. The reversal of 11530054250 is 5245003511.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125510 + ... + 197009.

It is an arithmetic number, because the mean of its divisors is an integer number (396215820).

Almost surely, 2^11530054250 is an apocalyptic number.

11530054250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11530054250 is an abundant number, since it is smaller than the sum of its proper divisors (13827758230).

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

11530054250 is a wasteful number, since it uses less digits than its factorization.

11530054250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322560 (or 322550 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 11530054250 its reverse (5245003511), we get a palindrome (16775057761).

The spelling of 11530054250 in words is "eleven billion, five hundred thirty million, fifty-four thousand, two hundred fifty".