109016997426 has 12 divisors (see below), whose sum is σ = 236203494462. Its totient is φ = 36338999136.

The previous prime is 109016997391. The next prime is 109016997457. The reversal of 109016997426 is 624799610901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 99003993201 + 10013004225 = 314649^2 + 100065^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3028249911 + ... + 3028249946.

Almost surely, 2^109016997426 is an apocalyptic number.

109016997426 is an abundant number, since it is smaller than the sum of its proper divisors (127186497036).

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

109016997426 is a wasteful number, since it uses less digits than its factorization.

109016997426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056499865 (or 6056499862 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 109016997426 in words is "one hundred nine billion, sixteen million, nine hundred ninety-seven thousand, four hundred twenty-six".