2151133055191 has 2 divisors, whose sum is σ = 2151133055192. Its totient is φ = 2151133055190.

The previous prime is 2151133055189. The next prime is 2151133055213. The reversal of 2151133055191 is 1915503311512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151133055191 - 2¹ = 2151133055189 is a prime.

It is a super-2 number, since 2×2151133055191² (a number of 25 digits) contains 22 as substring.

Together with 2151133055189, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2151133055191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151133055101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075566527595 + 1075566527596.

It is an arithmetic number, because the mean of its divisors is an integer number (1075566527596).

Almost surely, 2^{2151133055191} is an apocalyptic number.

2151133055191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151133055191 is an equidigital number, since it uses as much as digits as its factorization.

2151133055191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 37.

The spelling of 2151133055191 in words is "two trillion, one hundred fifty-one billion, one hundred thirty-three million, fifty-five thousand, one hundred ninety-one".