11700940547 has 2 divisors, whose sum is σ = 11700940548. Its totient is φ = 11700940546.

The previous prime is 11700940481. The next prime is 11700940549. The reversal of 11700940547 is 74504900711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11700940547 - 2¹² = 11700936451 is a prime.

Together with 11700940549, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11700940547.

It is not a weakly prime, because it can be changed into another prime (11700940549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5850470273 + 5850470274.

It is an arithmetic number, because the mean of its divisors is an integer number (5850470274).

Almost surely, 2^11700940547 is an apocalyptic number.

11700940547 is a deficient number, since it is larger than the sum of its proper divisors (1).

11700940547 is an equidigital number, since it uses as much as digits as its factorization.

11700940547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 11700940547 in words is "eleven billion, seven hundred million, nine hundred forty thousand, five hundred forty-seven".