1353179931991 has 2 divisors, whose sum is σ = 1353179931992. Its totient is φ = 1353179931990.

The previous prime is 1353179931989. The next prime is 1353179932141. The reversal of 1353179931991 is 1991399713531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1353179931991 - 2¹ = 1353179931989 is a prime.

Together with 1353179931989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353179931091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676589965995 + 676589965996.

It is an arithmetic number, because the mean of its divisors is an integer number (676589965996).

Almost surely, 2^{1353179931991} is an apocalyptic number.

1353179931991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353179931991 is an equidigital number, since it uses as much as digits as its factorization.

1353179931991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6200145, while the sum is 61.

The spelling of 1353179931991 in words is "one trillion, three hundred fifty-three billion, one hundred seventy-nine million, nine hundred thirty-one thousand, nine hundred ninety-one".