11002454120 has 96 divisors (see below), whose sum is σ = 29121265800. Its totient is φ = 3729825792.

The previous prime is 11002454117. The next prime is 11002454123. The reversal of 11002454120 is 2145420011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11002454117) and next prime (11002454123).

It can be written as a sum of positive squares in 4 ways, for example, as 3299583364 + 7702870756 = 57442^2 + 87766^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11002454092 and 11002454101.

It is not an unprimeable number, because it can be changed into a prime (11002454123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142904 + ... + 205976.

Almost surely, 2^11002454120 is an apocalyptic number.

11002454120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11002454120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14560632900).

11002454120 is an abundant number, since it is smaller than the sum of its proper divisors (18118811680).

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

11002454120 is a wasteful number, since it uses less digits than its factorization.

11002454120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63187 (or 63176 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 11002454120 its reverse (2145420011), we get a palindrome (13147874131).

The spelling of 11002454120 in words is "eleven billion, two million, four hundred fifty-four thousand, one hundred twenty".