21160467130499 has 2 divisors, whose sum is σ = 21160467130500. Its totient is φ = 21160467130498.

The previous prime is 21160467130493. The next prime is 21160467130501. The reversal of 21160467130499 is 99403176406112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21160467130499 - 2²⁴ = 21160450353283 is a prime.

Together with 21160467130501, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21160467130499.

It is not a weakly prime, because it can be changed into another prime (21160467130493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10580233565249 + 10580233565250.

It is an arithmetic number, because the mean of its divisors is an integer number (10580233565250).

Almost surely, 2^{21160467130499} is an apocalyptic number.

21160467130499 is a deficient number, since it is larger than the sum of its proper divisors (1).

21160467130499 is an equidigital number, since it uses as much as digits as its factorization.

21160467130499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 21160467130499 in words is "twenty-one trillion, one hundred sixty billion, four hundred sixty-seven million, one hundred thirty thousand, four hundred ninety-nine".