68753511 has 12 divisors (see below), whose sum is σ = 101995192. Its totient is φ = 44596656.

The previous prime is 68753507. The next prime is 68753521. The reversal of 68753511 is 11535786.

It is not a de Polignac number, because 68753511 - 2² = 68753507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68753521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102901 + ... + 103566.

Almost surely, 2^68753511 is an apocalyptic number.

68753511 is a deficient number, since it is larger than the sum of its proper divisors (33241681).

68753511 is a wasteful number, since it uses less digits than its factorization.

68753511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206510 (or 206507 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 68753511 is about 8291.7736944516. The cubic root of 68753511 is about 409.6676088470.

The spelling of 68753511 in words is "sixty-eight million, seven hundred fifty-three thousand, five hundred eleven".