2126519761231 has 2 divisors, whose sum is σ = 2126519761232. Its totient is φ = 2126519761230.

The previous prime is 2126519761141. The next prime is 2126519761259. The reversal of 2126519761231 is 1321679156212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2126519761231 - 2¹⁷ = 2126519630159 is a prime.

It is a super-2 number, since 2×2126519761231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126519767231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063259880615 + 1063259880616.

It is an arithmetic number, because the mean of its divisors is an integer number (1063259880616).

Almost surely, 2^{2126519761231} is an apocalyptic number.

2126519761231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126519761231 is an equidigital number, since it uses as much as digits as its factorization.

2126519761231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The spelling of 2126519761231 in words is "two trillion, one hundred twenty-six billion, five hundred nineteen million, seven hundred sixty-one thousand, two hundred thirty-one".