11542220225 has 48 divisors (see below), whose sum is σ = 15363391680. Its totient is φ = 8575891200.

The previous prime is 11542220213. The next prime is 11542220231. The reversal of 11542220225 is 52202224511.

It is not a de Polignac number, because 11542220225 - 2²² = 11538025921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11542220194 and 11542220203.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 13530899 + ... + 13531751.

It is an arithmetic number, because the mean of its divisors is an integer number (320070660).

Almost surely, 2^11542220225 is an apocalyptic number.

It is an amenable number.

11542220225 is a deficient number, since it is larger than the sum of its proper divisors (3821171455).

11542220225 is a wasteful number, since it uses less digits than its factorization.

11542220225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 11542220225 its reverse (52202224511), we get a palindrome (63744444736).

The spelling of 11542220225 in words is "eleven billion, five hundred forty-two million, two hundred twenty thousand, two hundred twenty-five".