11899073942 has 32 divisors (see below), whose sum is σ = 22057878528. Its totient is φ = 4697502336.

The previous prime is 11899073909. The next prime is 11899073947. The reversal of 11899073942 is 24937099811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899073947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520688 + ... + 543059.

It is an arithmetic number, because the mean of its divisors is an integer number (689308704).

Almost surely, 2^11899073942 is an apocalyptic number.

11899073942 is a deficient number, since it is larger than the sum of its proper divisors (10158804586).

11899073942 is a wasteful number, since it uses less digits than its factorization.

11899073942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063820.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 11899073942 in words is "eleven billion, eight hundred ninety-nine million, seventy-three thousand, nine hundred forty-two".