11680011397 has 2 divisors, whose sum is σ = 11680011398. Its totient is φ = 11680011396.

The previous prime is 11680011373. The next prime is 11680011451. The reversal of 11680011397 is 79311008611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5911456996 + 5768554401 = 76886^2 + 75951^2 .

It is a cyclic number.

It is not a de Polignac number, because 11680011397 - 2²³ = 11671622789 is a prime.

It is a super-4 number, since 4×11680011397⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11680011307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5840005698 + 5840005699.

It is an arithmetic number, because the mean of its divisors is an integer number (5840005699).

Almost surely, 2^11680011397 is an apocalyptic number.

It is an amenable number.

11680011397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11680011397 is an equidigital number, since it uses as much as digits as its factorization.

11680011397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 11680011397 in words is "eleven billion, six hundred eighty million, eleven thousand, three hundred ninety-seven".