68611415048 has 36 divisors (see below), whose sum is σ = 141421522095. Its totient is φ = 31183302480.

The previous prime is 68611415021. The next prime is 68611415063. The reversal of 68611415048 is 84051411686.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 34305707524 + 34305707524 = 185218^2 + 185218^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=185218.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 8145383 + ... + 8153801.

Almost surely, 2^68611415048 is an apocalyptic number.

It is an amenable number.

68611415048 is an abundant number, since it is smaller than the sum of its proper divisors (72810107047).

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

68611415048 is an frugal number, since it uses more digits than its factorization.

68611415048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16866 (or 8432 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 68611415048 in words is "sixty-eight billion, six hundred eleven million, four hundred fifteen thousand, forty-eight".