11212012425151 has 4 divisors (see below), whose sum is σ = 11279150224272. Its totient is φ = 11144874626032.

The previous prime is 11212012425149. The next prime is 11212012425157. The reversal of 11212012425151 is 15152421021211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11212012425151 - 2¹ = 11212012425149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212012425157) 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 3 ways as a sum of consecutive naturals, for example, 33568899310 + ... + 33568899643.

It is an arithmetic number, because the mean of its divisors is an integer number (2819787556068).

Almost surely, 2^{11212012425151} is an apocalyptic number.

11212012425151 is a deficient number, since it is larger than the sum of its proper divisors (67137799121).

11212012425151 is an equidigital number, since it uses as much as digits as its factorization.

11212012425151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67137799120.

The product of its (nonzero) digits is 1600, while the sum is 28.

Adding to 11212012425151 its reverse (15152421021211), we get a palindrome (26364433446362).

The spelling of 11212012425151 in words is "eleven trillion, two hundred twelve billion, twelve million, four hundred twenty-five thousand, one hundred fifty-one".