109903145378 has 16 divisors (see below), whose sum is σ = 179530638840. Its totient is φ = 50154589056.

The previous prime is 109903145353. The next prime is 109903145383. The reversal of 109903145378 is 873541309901.

It can be written as a sum of positive squares in 4 ways, for example, as 84702535369 + 25200610009 = 291037^2 + 158747^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23745125 + ... + 23749752.

Almost surely, 2^109903145378 is an apocalyptic number.

109903145378 is a deficient number, since it is larger than the sum of its proper divisors (69627493462).

109903145378 is a wasteful number, since it uses less digits than its factorization.

109903145378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47494981.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 109903145378 in words is "one hundred nine billion, nine hundred three million, one hundred forty-five thousand, three hundred seventy-eight".