11111420035242 has 24 divisors (see below), whose sum is σ = 24661932274980. Its totient is φ = 3613469929920.

The previous prime is 11111420035213. The next prime is 11111420035249. The reversal of 11111420035242 is 24253002411111.

11111420035242 is a `hidden beast` number, since 1 + 1 + 1 + 114 + 20 + 0 + 3 + 524 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7824780992961 + 3286639042281 = 2797281^2 + 1812909^2 .

It is not an unprimeable number, because it can be changed into a prime (11111420035249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7528061617 + ... + 7528063092.

Almost surely, 2^{11111420035242} is an apocalyptic number.

11111420035242 is an abundant number, since it is smaller than the sum of its proper divisors (13550512239738).

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

11111420035242 is a wasteful number, since it uses less digits than its factorization.

11111420035242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15056124758 (or 15056124755 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 11111420035242 its reverse (24253002411111), we get a palindrome (35364422446353).

The spelling of 11111420035242 in words is "eleven trillion, one hundred eleven billion, four hundred twenty million, thirty-five thousand, two hundred forty-two".