11032400421 has 48 divisors (see below), whose sum is σ = 19242014400. Its totient is φ = 6228212256.

The previous prime is 11032400419. The next prime is 11032400437. The reversal of 11032400421 is 12400423011.

11032400421 is a `hidden beast` number, since 1 + 1 + 0 + 3 + 240 + 0 + 421 = 666.

It is not a de Polignac number, because 11032400421 - 2¹ = 11032400419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11032400394 and 11032400403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032400021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59575 + ... + 160043.

It is an arithmetic number, because the mean of its divisors is an integer number (400875300).

Almost surely, 2^11032400421 is an apocalyptic number.

It is an amenable number.

11032400421 is a deficient number, since it is larger than the sum of its proper divisors (8209613979).

11032400421 is a wasteful number, since it uses less digits than its factorization.

11032400421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100575 (or 100562 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11032400421 its reverse (12400423011), we get a palindrome (23432823432).

The spelling of 11032400421 in words is "eleven billion, thirty-two million, four hundred thousand, four hundred twenty-one".