11110131000 has 384 divisors, whose sum is σ = 38635833600. Its totient is φ = 2878790400.

The previous prime is 11110130987. The next prime is 11110131061. The reversal of 11110131000 is 13101111.

It is a super-2 number, since 2×11110131000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 79928931 + ... + 79929069.

It is an arithmetic number, because the mean of its divisors is an integer number (100614150).

Almost surely, 2^11110131000 is an apocalyptic number.

11110131000 is a gapful number since it is divisible by the number (10) 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 11110131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19317916800).

11110131000 is an abundant number, since it is smaller than the sum of its proper divisors (27525702600).

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

11110131000 is a wasteful number, since it uses less digits than its factorization.

11110131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

Adding to 11110131000 its reverse (13101111), we get a palindrome (11123232111).

It can be divided in two parts, 11 and 110131000, that added together give a palindrome (110131011).

The spelling of 11110131000 in words is "eleven billion, one hundred ten million, one hundred thirty-one thousand".