1109475002064 has 640 divisors, whose sum is σ = 3623024111616. Its totient is φ = 287705088000.

The previous prime is 1109475002057. The next prime is 1109475002093. The reversal of 1109475002064 is 4602005749011.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1171567639 + ... + 1171568585.

Almost surely, 2^{1109475002064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109475002064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811512055808).

1109475002064 is an abundant number, since it is smaller than the sum of its proper divisors (2513549109552).

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

1109475002064 is a wasteful number, since it uses less digits than its factorization.

1109475002064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 1109475002064 in words is "one trillion, one hundred nine billion, four hundred seventy-five million, two thousand, sixty-four".