16115295442 has 16 divisors (see below), whose sum is σ = 24393531672. Its totient is φ = 7984157440.

The previous prime is 16115295439. The next prime is 16115295451. The reversal of 16115295442 is 24459251161.

It can be written as a sum of positive squares in 4 ways, for example, as 1887815601 + 14227479841 = 43449^2 + 119279^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16115295395 and 16115295404.

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, 1094892 + ... + 1109512.

Almost surely, 2^16115295442 is an apocalyptic number.

16115295442 is a deficient number, since it is larger than the sum of its proper divisors (8278236230).

16115295442 is a wasteful number, since it uses less digits than its factorization.

16115295442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19613.

The product of its digits is 86400, while the sum is 40.

The spelling of 16115295442 in words is "sixteen billion, one hundred fifteen million, two hundred ninety-five thousand, four hundred forty-two".