11251354243442 has 8 divisors (see below), whose sum is σ = 16877088960732. Its totient is φ = 5625657923200.

The previous prime is 11251354243411. The next prime is 11251354243541. The reversal of 11251354243442 is 24434245315211.

11251354243442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11114815864321 + 136538379121 = 3333889^2 + 369511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11251354243442² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11251354243442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8855159 + ... + 10045722.

Almost surely, 2^{11251354243442} is an apocalyptic number.

11251354243442 is a deficient number, since it is larger than the sum of its proper divisors (5625734717290).

11251354243442 is a wasteful number, since it uses less digits than its factorization.

11251354243442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19198524.

The product of its digits is 460800, while the sum is 41.

Adding to 11251354243442 its reverse (24434245315211), we get a palindrome (35685599558653).

The spelling of 11251354243442 in words is "eleven trillion, two hundred fifty-one billion, three hundred fifty-four million, two hundred forty-three thousand, four hundred forty-two".