1109446455 has 32 divisors (see below), whose sum is σ = 1913446080. Its totient is φ = 545679360.

The previous prime is 1109446451. The next prime is 1109446493. The reversal of 1109446455 is 5546449011.

It is not a de Polignac number, because 1109446455 - 2² = 1109446451 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109446451) 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, 288445 + ... + 292265.

It is an arithmetic number, because the mean of its divisors is an integer number (59795190).

Almost surely, 2^1109446455 is an apocalyptic number.

1109446455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1109446455 is a deficient number, since it is larger than the sum of its proper divisors (803999625).

1109446455 is a wasteful number, since it uses less digits than its factorization.

1109446455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 1109446455 is about 33308.3541322594. The cubic root of 1109446455 is about 1035.2266627664.

The spelling of 1109446455 in words is "one billion, one hundred nine million, four hundred forty-six thousand, four hundred fifty-five".