11439000156 has 12 divisors (see below), whose sum is σ = 26691000392. Its totient is φ = 3813000048.

The previous prime is 11439000151. The next prime is 11439000193. The reversal of 11439000156 is 65100093411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11439000151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476624995 + ... + 476625018.

Almost surely, 2^11439000156 is an apocalyptic number.

It is an amenable number.

11439000156 is an abundant number, since it is smaller than the sum of its proper divisors (15252000236).

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

11439000156 is a wasteful number, since it uses less digits than its factorization.

11439000156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953250020 (or 953250018 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

Adding to 11439000156 its reverse (65100093411), we get a palindrome (76539093567).

The spelling of 11439000156 in words is "eleven billion, four hundred thirty-nine million, one hundred fifty-six", and thus it is an aban number.