11489157372 has 96 divisors (see below), whose sum is σ = 33447536640. Its totient is φ = 2982006720.

The previous prime is 11489157359. The next prime is 11489157377. The reversal of 11489157372 is 27375198411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11489157377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1536579 + ... + 1544037.

It is an arithmetic number, because the mean of its divisors is an integer number (348411840).

Almost surely, 2^11489157372 is an apocalyptic number.

11489157372 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 11489157372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16723768320).

11489157372 is an abundant number, since it is smaller than the sum of its proper divisors (21958379268).

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

11489157372 is a wasteful number, since it uses less digits than its factorization.

11489157372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9151 (or 9149 counting only the distinct ones).

The product of its digits is 423360, while the sum is 48.

It can be divided in two parts, 11489 and 157372, that added together give a palindrome (168861).

The spelling of 11489157372 in words is "eleven billion, four hundred eighty-nine million, one hundred fifty-seven thousand, three hundred seventy-two".