11111225420052 has 36 divisors (see below), whose sum is σ = 28739887976800. Its totient is φ = 3617608275792.

The previous prime is 11111225420041. The next prime is 11111225420063. The reversal of 11111225420052 is 25002452211111.

11111225420052 is a `hidden beast` number, since 1 + 1 + 1 + 11 + 225 + 420 + 0 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (11111225420041) and next prime (11111225420063).

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 11111225419998 and 11111225420025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3588895552 + ... + 3588898647.

Almost surely, 2^{11111225420052} is an apocalyptic number.

11111225420052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11111225420052 is an abundant number, since it is smaller than the sum of its proper divisors (17628662556748).

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

11111225420052 is a wasteful number, since it uses less digits than its factorization.

11111225420052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177794252 (or 7177794247 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 11111225420052 its reverse (25002452211111), we get a palindrome (36113677631163).

The spelling of 11111225420052 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-five million, four hundred twenty thousand, fifty-two".