11355042140 has 48 divisors (see below), whose sum is σ = 25700515680. Its totient is φ = 4189259520.

The previous prime is 11355042131. The next prime is 11355042151. The reversal of 11355042140 is 4124055311.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318746 + ... + 352574.

It is an arithmetic number, because the mean of its divisors is an integer number (535427410).

Almost surely, 2^11355042140 is an apocalyptic number.

11355042140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11355042140 is an abundant number, since it is smaller than the sum of its proper divisors (14345473540).

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

11355042140 is a wasteful number, since it uses less digits than its factorization.

11355042140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35142 (or 35140 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11355042140 its reverse (4124055311), we get a palindrome (15479097451).

The spelling of 11355042140 in words is "eleven billion, three hundred fifty-five million, forty-two thousand, one hundred forty".