11120154242 has 4 divisors (see below), whose sum is σ = 16680231366. Its totient is φ = 5560077120.

The previous prime is 11120154239. The next prime is 11120154247. The reversal of 11120154242 is 24245102111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24245102111 = 144341 ⋅167971.

It can be written as a sum of positive squares in only one way, i.e., 9506445001 + 1613709241 = 97501^2 + 40171^2 .

It is not an unprimeable number, because it can be changed into a prime (11120154247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780038559 + ... + 2780038562.

Almost surely, 2^11120154242 is an apocalyptic number.

11120154242 is a deficient number, since it is larger than the sum of its proper divisors (5560077124).

11120154242 is an equidigital number, since it uses as much as digits as its factorization.

11120154242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560077123.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 11120154242 its reverse (24245102111), we get a palindrome (35365256353).

The spelling of 11120154242 in words is "eleven billion, one hundred twenty million, one hundred fifty-four thousand, two hundred forty-two".