11239239402 has 28 divisors (see below), whose sum is σ = 25276728930. Its totient is φ = 3746412648.

The previous prime is 11239239383. The next prime is 11239239457. The reversal of 11239239402 is 20493293211.

11239239402 is a `hidden beast` number, since 1 + 12 + 3 + 9 + 239 + 402 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10543387761 + 695851641 = 102681^2 + 26379^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3852877 + ... + 3855792.

Almost surely, 2^11239239402 is an apocalyptic number.

11239239402 is an abundant number, since it is smaller than the sum of its proper divisors (14037489528).

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

11239239402 is an frugal number, since it uses more digits than its factorization.

11239239402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7708689 (or 7708674 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 11239239402 in words is "eleven billion, two hundred thirty-nine million, two hundred thirty-nine thousand, four hundred two".