961559112 has 16 divisors (see below), whose sum is σ = 2403897840. Its totient is φ = 320519696.

The previous prime is 961559069. The next prime is 961559129. The reversal of 961559112 is 211955169.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20032458 + ... + 20032505.

It is an arithmetic number, because the mean of its divisors is an integer number (150243615).

Almost surely, 2^961559112 is an apocalyptic number.

It is an amenable number.

961559112 is an abundant number, since it is smaller than the sum of its proper divisors (1442338728).

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

961559112 is a wasteful number, since it uses less digits than its factorization.

961559112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40064972 (or 40064968 counting only the distinct ones).

The product of its digits is 24300, while the sum is 39.

The square root of 961559112 is about 31009.0166242014. The cubic root of 961559112 is about 987.0185826681.

The spelling of 961559112 in words is "nine hundred sixty-one million, five hundred fifty-nine thousand, one hundred twelve".