11540414454 has 128 divisors (see below), whose sum is σ = 25256448000. Its totient is φ = 3506818560.

The previous prime is 11540414449. The next prime is 11540414491. The reversal of 11540414454 is 45441404511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66707512 + ... + 66707684.

It is an arithmetic number, because the mean of its divisors is an integer number (197316000).

Almost surely, 2^11540414454 is an apocalyptic number.

11540414454 is an abundant number, since it is smaller than the sum of its proper divisors (13716033546).

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

11540414454 is a wasteful number, since it uses less digits than its factorization.

11540414454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 11540414454 its reverse (45441404511), we get a palindrome (56981818965).

The spelling of 11540414454 in words is "eleven billion, five hundred forty million, four hundred fourteen thousand, four hundred fifty-four".