11421216425510 has 32 divisors (see below), whose sum is σ = 20715745248000. Its totient is φ = 4533476294880.

The previous prime is 11421216425497. The next prime is 11421216425513. The reversal of 11421216425510 is 1552461212411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421216425513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51081941 + ... + 51305039.

It is an arithmetic number, because the mean of its divisors is an integer number (647367039000).

Almost surely, 2^{11421216425510} is an apocalyptic number.

11421216425510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11421216425510 is a deficient number, since it is larger than the sum of its proper divisors (9294528822490).

11421216425510 is a wasteful number, since it uses less digits than its factorization.

11421216425510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262316.

The product of its (nonzero) digits is 19200, while the sum is 35.

Adding to 11421216425510 its reverse (1552461212411), we get a palindrome (12973677637921).

The spelling of 11421216425510 in words is "eleven trillion, four hundred twenty-one billion, two hundred sixteen million, four hundred twenty-five thousand, five hundred ten".