71620668135111 has 16 divisors (see below), whose sum is σ = 97824228622848. Its totient is φ = 46582130750400.

The previous prime is 71620668135103. The next prime is 71620668135119. The reversal of 71620668135111 is 11153186602617.

It is an interprime number because it is at equal distance from previous prime (71620668135103) and next prime (71620668135119).

It is not a de Polignac number, because 71620668135111 - 2³ = 71620668135103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71620668135119) 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, 11472640 + ... + 16578986.

It is an arithmetic number, because the mean of its divisors is an integer number (6114014288928).

Almost surely, 2^{71620668135111} is an apocalyptic number.

71620668135111 is a deficient number, since it is larger than the sum of its proper divisors (26203560487737).

71620668135111 is a wasteful number, since it uses less digits than its factorization.

71620668135111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220422.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 71620668135111 in words is "seventy-one trillion, six hundred twenty billion, six hundred sixty-eight million, one hundred thirty-five thousand, one hundred eleven".