11731531614 has 64 divisors (see below), whose sum is σ = 26337173760. Its totient is φ = 3452440320.

The previous prime is 11731531607. The next prime is 11731531667. The reversal of 11731531614 is 41613513711.

11731531614 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1385277 + ... + 1393719.

It is an arithmetic number, because the mean of its divisors is an integer number (411518340).

Almost surely, 2^11731531614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11731531614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13168586880).

11731531614 is an abundant number, since it is smaller than the sum of its proper divisors (14605642146).

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

11731531614 is a wasteful number, since it uses less digits than its factorization.

11731531614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9065.

The product of its digits is 7560, while the sum is 33.

It can be divided in two parts, 11731 and 531614, that added together give a palindrome (543345).

The spelling of 11731531614 in words is "eleven billion, seven hundred thirty-one million, five hundred thirty-one thousand, six hundred fourteen".