1100000999960 has 32 divisors (see below), whose sum is σ = 2475081349200. Its totient is φ = 439986337920.

The previous prime is 1100000999887. The next prime is 1100000999969. The reversal of 1100000999960 is 699990000011.

It is a happy number.

It is a super-4 number, since 4×1100000999960⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100000999969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876446 + ... + 1722834.

Almost surely, 2^{1100000999960} is an apocalyptic number.

1100000999960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100000999960 is an abundant number, since it is smaller than the sum of its proper divisors (1375080349240).

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

1100000999960 is a wasteful number, since it uses less digits than its factorization.

1100000999960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878891 (or 878887 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 44.

Adding to 1100000999960 its reverse (699990000011), we get a palindrome (1799990999971).

The spelling of 1100000999960 in words is "one trillion, one hundred billion, nine hundred ninety-nine thousand, nine hundred sixty".