11121533325651 has 16 divisors (see below), whose sum is σ = 16949233857024. Its totient is φ = 6354361104384.

The previous prime is 11121533325593. The next prime is 11121533325719. The reversal of 11121533325651 is 15652333512111.

It is not a de Polignac number, because 11121533325651 - 2⁴¹ = 8922510070099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121533325451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33195855 + ... + 33529208.

It is an arithmetic number, because the mean of its divisors is an integer number (1059327116064).

Almost surely, 2^{11121533325651} is an apocalyptic number.

11121533325651 is a deficient number, since it is larger than the sum of its proper divisors (5827700531373).

11121533325651 is an equidigital number, since it uses as much as digits as its factorization.

11121533325651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66733010.

The product of its digits is 81000, while the sum is 39.

Adding to 11121533325651 its reverse (15652333512111), we get a palindrome (26773866837762).

The spelling of 11121533325651 in words is "eleven trillion, one hundred twenty-one billion, five hundred thirty-three million, three hundred twenty-five thousand, six hundred fifty-one".