11539392940 has 24 divisors (see below), whose sum is σ = 25658180352. Its totient is φ = 4344241920.

The previous prime is 11539392883. The next prime is 11539392947. The reversal of 11539392940 is 4929393511.

It is not an unprimeable number, because it can be changed into a prime (11539392947) 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 7 ways as a sum of consecutive naturals, for example, 16969356 + ... + 16970035.

It is an arithmetic number, because the mean of its divisors is an integer number (1069090848).

Almost surely, 2^11539392940 is an apocalyptic number.

11539392940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11539392940 is an abundant number, since it is smaller than the sum of its proper divisors (14118787412).

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

11539392940 is a wasteful number, since it uses less digits than its factorization.

11539392940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33939417 (or 33939415 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 11539392940 in words is "eleven billion, five hundred thirty-nine million, three hundred ninety-two thousand, nine hundred forty".