1109473109101 has 24 divisors (see below), whose sum is σ = 1299785124600. Its totient is φ = 944222533632.

The previous prime is 1109473108993. The next prime is 1109473109161. The reversal of 1109473109101 is 1019013749011.

It can be written as a sum of positive squares in 4 ways, for example, as 264638224900 + 844834884201 = 514430^2 + 919149^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1109473109101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109473109161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19370161 + ... + 19427353.

It is an arithmetic number, because the mean of its divisors is an integer number (54157713525).

Almost surely, 2^{1109473109101} is an apocalyptic number.

It is an amenable number.

1109473109101 is a deficient number, since it is larger than the sum of its proper divisors (190312015499).

1109473109101 is a wasteful number, since it uses less digits than its factorization.

1109473109101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60013 (or 60006 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 37.

The spelling of 1109473109101 in words is "one trillion, one hundred nine billion, four hundred seventy-three million, one hundred nine thousand, one hundred one".