11100143240 has 32 divisors (see below), whose sum is σ = 25836543000. Its totient is φ = 4286951424.

The previous prime is 11100143233. The next prime is 11100143291. The reversal of 11100143240 is 4234100111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10226467876 + 873675364 = 101126^2 + 29558^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4783385 + ... + 4785704.

Almost surely, 2^11100143240 is an apocalyptic number.

11100143240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100143240 is an abundant number, since it is smaller than the sum of its proper divisors (14736399760).

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

11100143240 is a wasteful number, since it uses less digits than its factorization.

11100143240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9569129 (or 9569125 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11100143240 its reverse (4234100111), we get a palindrome (15334243351).

The spelling of 11100143240 in words is "eleven billion, one hundred million, one hundred forty-three thousand, two hundred forty".