11153442400 has 36 divisors (see below), whose sum is σ = 27228343212. Its totient is φ = 4461376640.

The previous prime is 11153442379. The next prime is 11153442409. The reversal of 11153442400 is 424435111.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11153442409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6970102 + ... + 6971701.

It is an arithmetic number, because the mean of its divisors is an integer number (756342867).

Almost surely, 2^11153442400 is an apocalyptic number.

11153442400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11153442400 is an abundant number, since it is smaller than the sum of its proper divisors (16074900812).

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

11153442400 is a wasteful number, since it uses less digits than its factorization.

11153442400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13941823 (or 13941810 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11153442400 its reverse (424435111), we get a palindrome (11577877511).

The spelling of 11153442400 in words is "eleven billion, one hundred fifty-three million, four hundred forty-two thousand, four hundred".