11042521634431 has 16 divisors (see below), whose sum is σ = 13412053431360. Its totient is φ = 8875136540160.

The previous prime is 11042521634413. The next prime is 11042521634503. The reversal of 11042521634431 is 13443612524011.

It is a happy number.

It is not a de Polignac number, because 11042521634431 - 2¹⁷ = 11042521503359 is a prime.

It is a super-2 number, since 2×11042521634431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042521634411) 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, 172448100 + ... + 172512121.

It is an arithmetic number, because the mean of its divisors is an integer number (838253339460).

Almost surely, 2^{11042521634431} is an apocalyptic number.

11042521634431 is a deficient number, since it is larger than the sum of its proper divisors (2369531796929).

11042521634431 is a wasteful number, since it uses less digits than its factorization.

11042521634431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344960514.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 11042521634431 in words is "eleven trillion, forty-two billion, five hundred twenty-one million, six hundred thirty-four thousand, four hundred thirty-one".