11401142040 has 96 divisors (see below), whose sum is σ = 38426104080. Its totient is φ = 3040301952.

The previous prime is 11401141981. The next prime is 11401142057. The reversal of 11401142040 is 4024110411.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 576759 + ... + 596198.

Almost surely, 2^11401142040 is an apocalyptic number.

11401142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11401142040 is an abundant number, since it is smaller than the sum of its proper divisors (27024962040).

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

11401142040 is a wasteful number, since it uses less digits than its factorization.

11401142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172983 (or 1172967 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11401142040 its reverse (4024110411), we get a palindrome (15425252451).

The spelling of 11401142040 in words is "eleven billion, four hundred one million, one hundred forty-two thousand, forty".