11425144554 has 64 divisors (see below), whose sum is σ = 26080289280. Its totient is φ = 3705664320.

The previous prime is 11425144553. The next prime is 11425144561. The reversal of 11425144554 is 45544152411.

11425144554 is a `hidden beast` number, since 1 + 14 + 2 + 51 + 44 + 554 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11425144553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426064 + ... + 452084.

It is an arithmetic number, because the mean of its divisors is an integer number (407504520).

Almost surely, 2^11425144554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11425144554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13040144640).

11425144554 is an abundant number, since it is smaller than the sum of its proper divisors (14655144726).

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

11425144554 is a wasteful number, since it uses less digits than its factorization.

11425144554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26252 (or 26246 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

Adding to 11425144554 its reverse (45544152411), we get a palindrome (56969296965).

The spelling of 11425144554 in words is "eleven billion, four hundred twenty-five million, one hundred forty-four thousand, five hundred fifty-four".