48961810512 has 60 divisors (see below), whose sum is σ = 140728462420. Its totient is φ = 15879504384.

The previous prime is 48961810507. The next prime is 48961810519. The reversal of 48961810512 is 21501816984.

It is a happy number.

48961810512 is a `hidden beast` number, since 4 + 8 + 9 + 618 + 10 + 5 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18589686336 + 30372124176 = 136344^2 + 174276^2 .

It is a super-2 number, since 2×48961810512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48961810519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4589437 + ... + 4600092.

Almost surely, 2^48961810512 is an apocalyptic number.

It is an amenable number.

48961810512 is an abundant number, since it is smaller than the sum of its proper divisors (91766651908).

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

48961810512 is a wasteful number, since it uses less digits than its factorization.

48961810512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9189580 (or 9189571 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 48961810512 in words is "forty-eight billion, nine hundred sixty-one million, eight hundred ten thousand, five hundred twelve".