13787611295971 has 2 divisors, whose sum is σ = 13787611295972. Its totient is φ = 13787611295970.

The previous prime is 13787611295959. The next prime is 13787611296023. The reversal of 13787611295971 is 17959211678731.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13787611295971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13787611295897 and 13787611295906.

It is not a weakly prime, because it can be changed into another prime (13787611295951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6893805647985 + 6893805647986.

It is an arithmetic number, because the mean of its divisors is an integer number (6893805647986).

Almost surely, 2^{13787611295971} is an apocalyptic number.

13787611295971 is a deficient number, since it is larger than the sum of its proper divisors (1).

13787611295971 is an equidigital number, since it uses as much as digits as its factorization.

13787611295971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40007520, while the sum is 67.

The spelling of 13787611295971 in words is "thirteen trillion, seven hundred eighty-seven billion, six hundred eleven million, two hundred ninety-five thousand, nine hundred seventy-one".