11140762728 has 192 divisors, whose sum is σ = 30976545600. Its totient is φ = 3333980160.

The previous prime is 11140762709. The next prime is 11140762729. The reversal of 11140762728 is 82726704111.

It is not an unprimeable number, because it can be changed into a prime (11140762729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19510683 + ... + 19511253.

It is an arithmetic number, because the mean of its divisors is an integer number (161336175).

Almost surely, 2^11140762728 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 11140762728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15488272800).

11140762728 is an abundant number, since it is smaller than the sum of its proper divisors (19835782872).

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

11140762728 is a wasteful number, since it uses less digits than its factorization.

11140762728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 11140762728 in words is "eleven billion, one hundred forty million, seven hundred sixty-two thousand, seven hundred twenty-eight".