11539137792 has 432 divisors, whose sum is σ = 39016199040. Its totient is φ = 3000582144.

The previous prime is 11539137791. The next prime is 11539137829. The reversal of 11539137792 is 29773193511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (357210) is a multiple of the sum of its prime factors (378).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11539137791) 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, 50389134 + ... + 50389362.

Almost surely, 2^11539137792 is an apocalyptic number.

11539137792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11539137792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19508099520).

11539137792 is an abundant number, since it is smaller than the sum of its proper divisors (27477061248).

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

11539137792 is a wasteful number, since it uses less digits than its factorization.

11539137792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 357 counting only the distinct ones).

The product of its digits is 357210, while the sum is 48.

It can be divided in two parts, 11539 and 137792, that added together give a triangular number (149331 = T₅₄₆).

The spelling of 11539137792 in words is "eleven billion, five hundred thirty-nine million, one hundred thirty-seven thousand, seven hundred ninety-two".