67138077711 has 16 divisors (see below), whose sum is σ = 93418617600. Its totient is φ = 42808508160.

The previous prime is 67138077697. The next prime is 67138077737. The reversal of 67138077711 is 11777083176.

It is not a de Polignac number, because 67138077711 - 2²³ = 67129689103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67138077751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764340 + ... + 847638.

It is an arithmetic number, because the mean of its divisors is an integer number (5838663600).

Almost surely, 2^67138077711 is an apocalyptic number.

67138077711 is a deficient number, since it is larger than the sum of its proper divisors (26280539889).

67138077711 is a wasteful number, since it uses less digits than its factorization.

67138077711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95006.

The product of its (nonzero) digits is 345744, while the sum is 48.

The spelling of 67138077711 in words is "sixty-seven billion, one hundred thirty-eight million, seventy-seven thousand, seven hundred eleven".