11243155635442 has 16 divisors (see below), whose sum is σ = 16950344954400. Its totient is φ = 5593111551648.

The previous prime is 11243155635431. The next prime is 11243155635449. The reversal of 11243155635442 is 24453655134211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11243155635392 and 11243155635401.

It is not an unprimeable number, because it can be changed into a prime (11243155635449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17407692 + ... + 18042007.

It is an arithmetic number, because the mean of its divisors is an integer number (1059396559650).

Almost surely, 2^{11243155635442} is an apocalyptic number.

11243155635442 is a deficient number, since it is larger than the sum of its proper divisors (5707189318958).

11243155635442 is a wasteful number, since it uses less digits than its factorization.

11243155635442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35450505.

The product of its digits is 1728000, while the sum is 46.

The spelling of 11243155635442 in words is "eleven trillion, two hundred forty-three billion, one hundred fifty-five million, six hundred thirty-five thousand, four hundred forty-two".