11401125140 has 72 divisors (see below), whose sum is σ = 25603976832. Its totient is φ = 4263436800.

The previous prime is 11401125121. The next prime is 11401125179. The reversal of 11401125140 is 4152110411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 866249 + ... + 879311.

Almost surely, 2^11401125140 is an apocalyptic number.

11401125140 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 11401125140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12801988416).

11401125140 is an abundant number, since it is smaller than the sum of its proper divisors (14202851692).

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

11401125140 is a wasteful number, since it uses less digits than its factorization.

11401125140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13257 (or 13238 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 11401125140 its reverse (4152110411), we get a palindrome (15553235551).

The spelling of 11401125140 in words is "eleven billion, four hundred one million, one hundred twenty-five thousand, one hundred forty".