961545533508 has 72 divisors (see below), whose sum is σ = 2795491305152. Its totient is φ = 272977428672.

The previous prime is 961545533411. The next prime is 961545533537. The reversal of 961545533508 is 805335545169.

961545533508 is a `hidden beast` number, since 9 + 6 + 1 + 54 + 5 + 533 + 50 + 8 = 666.

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, 12112210 + ... + 12191337.

Almost surely, 2^961545533508 is an apocalyptic number.

It is an amenable number.

961545533508 is an abundant number, since it is smaller than the sum of its proper divisors (1833945771644).

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

961545533508 is a wasteful number, since it uses less digits than its factorization.

961545533508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24303721 (or 24303716 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 961545533508 in words is "nine hundred sixty-one billion, five hundred forty-five million, five hundred thirty-three thousand, five hundred eight".