11231014140 has 36 divisors (see below), whose sum is σ = 34067410104. Its totient is φ = 2994937056.

The previous prime is 11231014139. The next prime is 11231014163. The reversal of 11231014140 is 4141013211.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11231014140² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31197082 + ... + 31197441.

Almost surely, 2^11231014140 is an apocalyptic number.

11231014140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231014140 is an abundant number, since it is smaller than the sum of its proper divisors (22836395964).

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

11231014140 is a wasteful number, since it uses less digits than its factorization.

11231014140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62394538 (or 62394533 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11231014140 its reverse (4141013211), we get a palindrome (15372027351).

The spelling of 11231014140 in words is "eleven billion, two hundred thirty-one million, fourteen thousand, one hundred forty".