11013533454 has 128 divisors (see below), whose sum is σ = 28275028992. Its totient is φ = 2777149440.

The previous prime is 11013533449. The next prime is 11013533459. The reversal of 11013533454 is 45433531011.

It is an interprime number because it is at equal distance from previous prime (11013533449) and next prime (11013533459).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013533459) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2372824 + ... + 2377460.

It is an arithmetic number, because the mean of its divisors is an integer number (220898664).

Almost surely, 2^11013533454 is an apocalyptic number.

11013533454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11013533454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14137514496).

11013533454 is an abundant number, since it is smaller than the sum of its proper divisors (17261495538).

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

11013533454 is a wasteful number, since it uses less digits than its factorization.

11013533454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 11013533454 in words is "eleven billion, thirteen million, five hundred thirty-three thousand, four hundred fifty-four".