1375137611 has 2 divisors, whose sum is σ = 1375137612. Its totient is φ = 1375137610.

The previous prime is 1375137563. The next prime is 1375137613. The reversal of 1375137611 is 1167315731.

It is a strong prime.

It is an emirp because it is prime and its reverse (1167315731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1375137611 - 2²² = 1370943307 is a prime.

It is a Sophie Germain prime.

Together with 1375137613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1375137613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687568805 + 687568806.

It is an arithmetic number, because the mean of its divisors is an integer number (687568806).

Almost surely, 2^1375137611 is an apocalyptic number.

1375137611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375137611 is an equidigital number, since it uses as much as digits as its factorization.

1375137611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 35.

The square root of 1375137611 is about 37082.8479354000. The cubic root of 1375137611 is about 1112.0271403047.

The spelling of 1375137611 in words is "one billion, three hundred seventy-five million, one hundred thirty-seven thousand, six hundred eleven".