11834844542 has 16 divisors (see below), whose sum is σ = 18875177280. Its totient is φ = 5546032128.

The previous prime is 11834844499. The next prime is 11834844547. The reversal of 11834844542 is 24544843811.

It is a junction number, because it is equal to n+sod(n) for n = 11834844493 and 11834844502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11834844547) 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, 720083 + ... + 736334.

It is an arithmetic number, because the mean of its divisors is an integer number (1179698580).

Almost surely, 2^11834844542 is an apocalyptic number.

11834844542 is a deficient number, since it is larger than the sum of its proper divisors (7040332738).

11834844542 is a wasteful number, since it uses less digits than its factorization.

11834844542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456675.

The product of its digits is 491520, while the sum is 44.

The spelling of 11834844542 in words is "eleven billion, eight hundred thirty-four million, eight hundred forty-four thousand, five hundred forty-two".