1100000001040 has 80 divisors (see below), whose sum is σ = 2564483683968. Its totient is φ = 438799915008.

The previous prime is 1100000001013. The next prime is 1100000001041. The reversal of 1100000001040 is 401000000011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1100000001041) 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, 54507432 + ... + 54527608.

Almost surely, 2^{1100000001040} is an apocalyptic number.

1100000001040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100000001040 is an abundant number, since it is smaller than the sum of its proper divisors (1464483682928).

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

1100000001040 is a wasteful number, since it uses less digits than its factorization.

1100000001040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22016 (or 22010 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1100000001040 its reverse (401000000011), we get a palindrome (1501000001051).

The spelling of 1100000001040 in words is "one trillion, one hundred billion, one thousand, forty".