11401103140 has 96 divisors (see below), whose sum is σ = 28950324480. Its totient is φ = 3684248064.

The previous prime is 11401103137. The next prime is 11401103143. The reversal of 11401103140 is 4130110411.

It is an interprime number because it is at equal distance from previous prime (11401103137) and next prime (11401103143).

It is not an unprimeable number, because it can be changed into a prime (11401103143) 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, 513142 + ... + 534898.

It is an arithmetic number, because the mean of its divisors is an integer number (301565880).

Almost surely, 2^11401103140 is an apocalyptic number.

11401103140 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 11401103140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14475162240).

11401103140 is an abundant number, since it is smaller than the sum of its proper divisors (17549221340).

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

11401103140 is a wasteful number, since it uses less digits than its factorization.

11401103140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21989 (or 21987 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11401103140 its reverse (4130110411), we get a palindrome (15531213551).

The spelling of 11401103140 in words is "eleven billion, four hundred one million, one hundred three thousand, one hundred forty".