11151522003421 has 2 divisors, whose sum is σ = 11151522003422. Its totient is φ = 11151522003420.

The previous prime is 11151522003379. The next prime is 11151522003437. The reversal of 11151522003421 is 12430022515111.

11151522003421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9907826428900 + 1243695574521 = 3147670^2 + 1115211^2 .

It is a cyclic number.

It is not a de Polignac number, because 11151522003421 - 2⁹ = 11151522002909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11151522003421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11151522003221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5575761001710 + 5575761001711.

It is an arithmetic number, because the mean of its divisors is an integer number (5575761001711).

Almost surely, 2^{11151522003421} is an apocalyptic number.

It is an amenable number.

11151522003421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11151522003421 is an equidigital number, since it uses as much as digits as its factorization.

11151522003421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 11151522003421 its reverse (12430022515111), we get a palindrome (23581544518532).

The spelling of 11151522003421 in words is "eleven trillion, one hundred fifty-one billion, five hundred twenty-two million, three thousand, four hundred twenty-one".