1101000999980 has 96 divisors (see below), whose sum is σ = 2649649744896. Its totient is φ = 376452147456.

The previous prime is 1101000999937. The next prime is 1101000999983. The reversal of 1101000999980 is 899990001011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1101000999983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82981307 + ... + 82994573.

It is an arithmetic number, because the mean of its divisors is an integer number (27600518176).

Almost surely, 2^{1101000999980} is an apocalyptic number.

1101000999980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101000999980 is an abundant number, since it is smaller than the sum of its proper divisors (1548648744916).

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

1101000999980 is a wasteful number, since it uses less digits than its factorization.

1101000999980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14863 (or 14861 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 47.

The spelling of 1101000999980 in words is "one trillion, one hundred one billion, nine hundred ninety-nine thousand, nine hundred eighty".