15961112 has 8 divisors (see below), whose sum is σ = 29927100. Its totient is φ = 7980552.

The previous prime is 15961111. The next prime is 15961129. The reversal of 15961112 is 21116951.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15961111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997562 + ... + 997577.

Almost surely, 2^15961112 is an apocalyptic number.

It is an amenable number.

15961112 is a deficient number, since it is larger than the sum of its proper divisors (13965988).

15961112 is a wasteful number, since it uses less digits than its factorization.

15961112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995145 (or 1995141 counting only the distinct ones).

The product of its digits is 540, while the sum is 26.

The square root of 15961112 is about 3995.1360427400. The cubic root of 15961112 is about 251.7798951529.

The spelling of 15961112 in words is "fifteen million, nine hundred sixty-one thousand, one hundred twelve".