2130595511491 has 2 divisors, whose sum is σ = 2130595511492. Its totient is φ = 2130595511490.

The previous prime is 2130595511479. The next prime is 2130595511507. The reversal of 2130595511491 is 1941155950312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130595511491 - 2¹³ = 2130595503299 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130595541491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065297755745 + 1065297755746.

It is an arithmetic number, because the mean of its divisors is an integer number (1065297755746).

Almost surely, 2^{2130595511491} is an apocalyptic number.

2130595511491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130595511491 is an equidigital number, since it uses as much as digits as its factorization.

2130595511491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 46.

The spelling of 2130595511491 in words is "two trillion, one hundred thirty billion, five hundred ninety-five million, five hundred eleven thousand, four hundred ninety-one".