11520233513454 has 32 divisors (see below), whose sum is σ = 23474560233600. Its totient is φ = 3768349991072.

The previous prime is 11520233513431. The next prime is 11520233513473. The reversal of 11520233513454 is 45431533202511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77553312 + ... + 77701715.

It is an arithmetic number, because the mean of its divisors is an integer number (733580007300).

Almost surely, 2^{11520233513454} is an apocalyptic number.

11520233513454 is an abundant number, since it is smaller than the sum of its proper divisors (11954326720146).

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

11520233513454 is a wasteful number, since it uses less digits than its factorization.

11520233513454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155255264.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 11520233513454 its reverse (45431533202511), we get a palindrome (56951766715965).

The spelling of 11520233513454 in words is "eleven trillion, five hundred twenty billion, two hundred thirty-three million, five hundred thirteen thousand, four hundred fifty-four".