11308939788 has 24 divisors (see below), whose sum is σ = 26404561008. Its totient is φ = 3767213056.

The previous prime is 11308939751. The next prime is 11308939861. The reversal of 11308939788 is 88793980311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284781 + ... + 322052.

It is an arithmetic number, because the mean of its divisors is an integer number (1100190042).

Almost surely, 2^11308939788 is an apocalyptic number.

It is an amenable number.

11308939788 is an abundant number, since it is smaller than the sum of its proper divisors (15095621220).

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

11308939788 is a wasteful number, since it uses less digits than its factorization.

11308939788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608393 (or 608391 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 57.

The spelling of 11308939788 in words is "eleven billion, three hundred eight million, nine hundred thirty-nine thousand, seven hundred eighty-eight".