11816674542 has 24 divisors (see below), whose sum is σ = 25953520944. Its totient is φ = 3884933664.

The previous prime is 11816674537. The next prime is 11816674543. The reversal of 11816674542 is 24547661811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11816674543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4495138 + ... + 4497765.

It is an arithmetic number, because the mean of its divisors is an integer number (1081396706).

Almost surely, 2^11816674542 is an apocalyptic number.

11816674542 is an abundant number, since it is smaller than the sum of its proper divisors (14136846402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11816674542 is a wasteful number, since it uses less digits than its factorization.

11816674542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8992984 (or 8992981 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 11816674542 in words is "eleven billion, eight hundred sixteen million, six hundred seventy-four thousand, five hundred forty-two".