11242135206454 has 4 divisors (see below), whose sum is σ = 16863202809684. Its totient is φ = 5621067603226.

The previous prime is 11242135206391. The next prime is 11242135206499. The reversal of 11242135206454 is 45460253124211.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2810533801612 + ... + 2810533801615.

It is an arithmetic number, because the mean of its divisors is an integer number (4215800702421).

Almost surely, 2^{11242135206454} is an apocalyptic number.

11242135206454 is a deficient number, since it is larger than the sum of its proper divisors (5621067603230).

11242135206454 is an equidigital number, since it uses as much as digits as its factorization.

11242135206454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621067603229.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 11242135206454 in words is "eleven trillion, two hundred forty-two billion, one hundred thirty-five million, two hundred six thousand, four hundred fifty-four".