11001434040 has 64 divisors (see below), whose sum is σ = 36671450400. Its totient is φ = 2933715456.

The previous prime is 11001434033. The next prime is 11001434047. The reversal of 11001434040 is 4043410011.

It is an interprime number because it is at equal distance from previous prime (11001434033) and next prime (11001434047).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001434047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5092177 + ... + 5094336.

Almost surely, 2^11001434040 is an apocalyptic number.

11001434040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001434040 is an abundant number, since it is smaller than the sum of its proper divisors (25670016360).

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

11001434040 is a wasteful number, since it uses less digits than its factorization.

11001434040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10186533 (or 10186523 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11001434040 its reverse (4043410011), we get a palindrome (15044844051).

The spelling of 11001434040 in words is "eleven billion, one million, four hundred thirty-four thousand, forty".