961302280512 has 168 divisors, whose sum is σ = 2961013920480. Its totient is φ = 274443187200.

The previous prime is 961302280487. The next prime is 961302280553. The reversal of 961302280512 is 215082203169.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12200539 + ... + 12279077.

It is an arithmetic number, because the mean of its divisors is an integer number (17625082860).

Almost surely, 2^961302280512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 961302280512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480506960240).

961302280512 is an abundant number, since it is smaller than the sum of its proper divisors (1999711639968).

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

961302280512 is a wasteful number, since it uses less digits than its factorization.

961302280512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79869 (or 79852 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 961302280512 in words is "nine hundred sixty-one billion, three hundred two million, two hundred eighty thousand, five hundred twelve".