11421235936 has 192 divisors, whose sum is σ = 26849781504. Its totient is φ = 4724121600.

The previous prime is 11421235933. The next prime is 11421235937. The reversal of 11421235936 is 63953212411.

It is a junction number, because it is equal to n+sod(n) for n = 11421235895 and 11421235904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421235933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24456375 + ... + 24456841.

It is an arithmetic number, because the mean of its divisors is an integer number (139842612).

Almost surely, 2^11421235936 is an apocalyptic number.

11421235936 is a gapful number since it is divisible by the number (16) 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 11421235936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13424890752).

11421235936 is an abundant number, since it is smaller than the sum of its proper divisors (15428545568).

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

11421235936 is a wasteful number, since it uses less digits than its factorization.

11421235936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 625 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The spelling of 11421235936 in words is "eleven billion, four hundred twenty-one million, two hundred thirty-five thousand, nine hundred thirty-six".