1109618272452 has 48 divisors (see below), whose sum is σ = 2746182700800. Its totient is φ = 347730907680.

The previous prime is 1109618272447. The next prime is 1109618272453. The reversal of 1109618272452 is 2542728169011.

It is not an unprimeable number, because it can be changed into a prime (1109618272453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18545502 + ... + 18605237.

It is an arithmetic number, because the mean of its divisors is an integer number (57212139600).

Almost surely, 2^{1109618272452} is an apocalyptic number.

1109618272452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1109618272452 is an abundant number, since it is smaller than the sum of its proper divisors (1636564428348).

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

1109618272452 is a wasteful number, since it uses less digits than its factorization.

1109618272452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37150896 (or 37150894 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 1109618272452 in words is "one trillion, one hundred nine billion, six hundred eighteen million, two hundred seventy-two thousand, four hundred fifty-two".