11025405534 has 144 divisors (see below), whose sum is σ = 27393641856. Its totient is φ = 2949186240.

The previous prime is 11025405493. The next prime is 11025405551. The reversal of 11025405534 is 43550452011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2820009 + ... + 2823915.

It is an arithmetic number, because the mean of its divisors is an integer number (190233624).

Almost surely, 2^11025405534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11025405534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13696820928).

11025405534 is an abundant number, since it is smaller than the sum of its proper divisors (16368236322).

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

11025405534 is a wasteful number, since it uses less digits than its factorization.

11025405534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983 (or 3959 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 11025405534 its reverse (43550452011), we get a palindrome (54575857545).

The spelling of 11025405534 in words is "eleven billion, twenty-five million, four hundred five thousand, five hundred thirty-four".