11513434250 has 32 divisors (see below), whose sum is σ = 21649904640. Its totient is φ = 4584699600.

The previous prime is 11513434249. The next prime is 11513434291. The reversal of 11513434250 is 5243431511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47510 + ... + 159009.

It is an arithmetic number, because the mean of its divisors is an integer number (676559520).

Almost surely, 2^11513434250 is an apocalyptic number.

11513434250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11513434250 is a deficient number, since it is larger than the sum of its proper divisors (10136470390).

11513434250 is a wasteful number, since it uses less digits than its factorization.

11513434250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206759 (or 206749 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 11513434250 its reverse (5243431511), we get a palindrome (16756865761).

The spelling of 11513434250 in words is "eleven billion, five hundred thirteen million, four hundred thirty-four thousand, two hundred fifty".