1103227787604 has 96 divisors (see below), whose sum is σ = 2848091258880. Its totient is φ = 330600928768.

The previous prime is 1103227787593. The next prime is 1103227787609. The reversal of 1103227787604 is 4067877223011.

It is a super-2 number, since 2×1103227787604² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103227787609) 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, 3210037 + ... + 3537059.

It is an arithmetic number, because the mean of its divisors is an integer number (29667617280).

Almost surely, 2^{1103227787604} 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 1103227787604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424045629440).

1103227787604 is an abundant number, since it is smaller than the sum of its proper divisors (1744863471276).

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

1103227787604 is a wasteful number, since it uses less digits than its factorization.

1103227787604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327789 (or 327787 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 1103227787604 in words is "one trillion, one hundred three billion, two hundred twenty-seven million, seven hundred eighty-seven thousand, six hundred four".