11402420321424 has 40 divisors (see below), whose sum is σ = 32134093634592. Its totient is φ = 3455278885120.

The previous prime is 11402420321419. The next prime is 11402420321429. The reversal of 11402420321424 is 42412302420411.

It is an interprime number because it is at equal distance from previous prime (11402420321419) and next prime (11402420321429).

It is a junction number, because it is equal to n+sod(n) for n = 11402420321391 and 11402420321400.

It is not an unprimeable number, because it can be changed into a prime (11402420321429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10797745989 + ... + 10797747044.

Almost surely, 2^{11402420321424} is an apocalyptic number.

It is an amenable number.

11402420321424 is an abundant number, since it is smaller than the sum of its proper divisors (20731673313168).

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

11402420321424 is a wasteful number, since it uses less digits than its factorization.

11402420321424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21595493055 (or 21595493049 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 11402420321424 its reverse (42412302420411), we get a palindrome (53814722741835).

The spelling of 11402420321424 in words is "eleven trillion, four hundred two billion, four hundred twenty million, three hundred twenty-one thousand, four hundred twenty-four".