11435043042 has 24 divisors (see below), whose sum is σ = 25182091740. Its totient is φ = 3749194080.

The previous prime is 11435043031. The next prime is 11435043071. The reversal of 11435043042 is 24034053411.

It is a happy number.

11435043042 is a `hidden beast` number, since 1 + 1 + 4 + 350 + 4 + 304 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11359509561 + 75533481 = 106581^2 + 8691^2 .

It is a super-2 number, since 2×11435043042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11435042997 and 11435043015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5206117 + ... + 5208312.

Almost surely, 2^11435043042 is an apocalyptic number.

11435043042 is an abundant number, since it is smaller than the sum of its proper divisors (13747048698).

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

11435043042 is a wasteful number, since it uses less digits than its factorization.

11435043042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10414498 (or 10414495 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 11435043042 its reverse (24034053411), we get a palindrome (35469096453).

The spelling of 11435043042 in words is "eleven billion, four hundred thirty-five million, forty-three thousand, forty-two".