11903115671 has 2 divisors, whose sum is σ = 11903115672. Its totient is φ = 11903115670.

The previous prime is 11903115647. The next prime is 11903115689. The reversal of 11903115671 is 17651130911.

It is a strong prime.

It is an emirp because it is prime and its reverse (17651130911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11903115671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11903118671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5951557835 + 5951557836.

It is an arithmetic number, because the mean of its divisors is an integer number (5951557836).

Almost surely, 2^11903115671 is an apocalyptic number.

11903115671 is a deficient number, since it is larger than the sum of its proper divisors (1).

11903115671 is an equidigital number, since it uses as much as digits as its factorization.

11903115671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 35.

The spelling of 11903115671 in words is "eleven billion, nine hundred three million, one hundred fifteen thousand, six hundred seventy-one".