67206261311 has 4 divisors (see below), whose sum is σ = 76807155792. Its totient is φ = 57605366832.

The previous prime is 67206261299. The next prime is 67206261319. The reversal of 67206261311 is 11316260276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67206261311 - 2³⁰ = 66132519487 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 (67206261319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4800447230 + ... + 4800447243.

It is an arithmetic number, because the mean of its divisors is an integer number (19201788948).

Almost surely, 2^67206261311 is an apocalyptic number.

67206261311 is a deficient number, since it is larger than the sum of its proper divisors (9600894481).

67206261311 is an equidigital number, since it uses as much as digits as its factorization.

67206261311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9600894480.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 67206261311 in words is "sixty-seven billion, two hundred six million, two hundred sixty-one thousand, three hundred eleven".