11742011976 has 64 divisors (see below), whose sum is σ = 30123213120. Its totient is φ = 3811911680.

The previous prime is 11742011917. The next prime is 11742012001. The reversal of 11742011976 is 67911024711.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573451 + ... + 593573.

It is an arithmetic number, because the mean of its divisors is an integer number (470675205).

Almost surely, 2^11742011976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11742011976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15061606560).

11742011976 is an abundant number, since it is smaller than the sum of its proper divisors (18381201144).

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

11742011976 is a wasteful number, since it uses less digits than its factorization.

11742011976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20766 (or 20762 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 39.

The spelling of 11742011976 in words is "eleven billion, seven hundred forty-two million, eleven thousand, nine hundred seventy-six".