11454421125 has 128 divisors (see below), whose sum is σ = 22643712000. Its totient is φ = 5033280000.

The previous prime is 11454421123. The next prime is 11454421157. The reversal of 11454421125 is 52112445411.

It is not a de Polignac number, because 11454421125 - 2¹ = 11454421123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11454421092 and 11454421101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11454421123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7640626 + ... + 7642124.

It is an arithmetic number, because the mean of its divisors is an integer number (176904000).

Almost surely, 2^11454421125 is an apocalyptic number.

11454421125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11454421125 is a deficient number, since it is larger than the sum of its proper divisors (11189290875).

11454421125 is a wasteful number, since it uses less digits than its factorization.

11454421125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636 (or 1626 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

Adding to 11454421125 its reverse (52112445411), we get a palindrome (63566866536).

The spelling of 11454421125 in words is "eleven billion, four hundred fifty-four million, four hundred twenty-one thousand, one hundred twenty-five".