1108899191478 has 16 divisors (see below), whose sum is σ = 2388398258736. Its totient is φ = 341199751200.

The previous prime is 1108899191471. The next prime is 1108899191489. The reversal of 1108899191478 is 8741919988011.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108899191471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7108328073 + ... + 7108328228.

It is an arithmetic number, because the mean of its divisors is an integer number (149274891171).

Almost surely, 2^{1108899191478} is an apocalyptic number.

1108899191478 is an abundant number, since it is smaller than the sum of its proper divisors (1279499067258).

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

1108899191478 is a wasteful number, since it uses less digits than its factorization.

1108899191478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14216656319.

The product of its (nonzero) digits is 10450944, while the sum is 66.

The spelling of 1108899191478 in words is "one trillion, one hundred eight billion, eight hundred ninety-nine million, one hundred ninety-one thousand, four hundred seventy-eight".