68037511 has 2 divisors, whose sum is σ = 68037512. Its totient is φ = 68037510.

The previous prime is 68037493. The next prime is 68037517. The reversal of 68037511 is 11573086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68037511 - 2⁵ = 68037479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68037517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34018755 + 34018756.

It is an arithmetic number, because the mean of its divisors is an integer number (34018756).

Almost surely, 2^68037511 is an apocalyptic number.

68037511 is a deficient number, since it is larger than the sum of its proper divisors (1).

68037511 is an equidigital number, since it uses as much as digits as its factorization.

68037511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 68037511 is about 8248.4853761160. The cubic root of 68037511 is about 408.2405488291.

The spelling of 68037511 in words is "sixty-eight million, thirty-seven thousand, five hundred eleven".