11121151533454 has 4 divisors (see below), whose sum is σ = 16681727300184. Its totient is φ = 5560575766726.

The previous prime is 11121151533449. The next prime is 11121151533463. The reversal of 11121151533454 is 45433515112111.

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

It is a super-2 number, since 2×11121151533454² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2780287883362 + ... + 2780287883365.

It is an arithmetic number, because the mean of its divisors is an integer number (4170431825046).

Almost surely, 2^{11121151533454} is an apocalyptic number.

11121151533454 is a deficient number, since it is larger than the sum of its proper divisors (5560575766730).

11121151533454 is an equidigital number, since it uses as much as digits as its factorization.

11121151533454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560575766729.

The product of its digits is 36000, while the sum is 37.

Adding to 11121151533454 its reverse (45433515112111), we get a palindrome (56554666645565).

The spelling of 11121151533454 in words is "eleven trillion, one hundred twenty-one billion, one hundred fifty-one million, five hundred thirty-three thousand, four hundred fifty-four".