126365514135173 has 2 divisors, whose sum is σ = 126365514135174. Its totient is φ = 126365514135172.

The previous prime is 126365514135169. The next prime is 126365514135253. The reversal of 126365514135173 is 371531415563621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125405551165444 + 959962969729 = 11198462^2 + 979777^2 .

It is a cyclic number.

It is not a de Polignac number, because 126365514135173 - 2² = 126365514135169 is a prime.

It is a super-2 number, since 2×126365514135173² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126365514135373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63182757067586 + 63182757067587.

It is an arithmetic number, because the mean of its divisors is an integer number (63182757067587).

Almost surely, 2^{126365514135173} is an apocalyptic number.

It is an amenable number.

126365514135173 is a deficient number, since it is larger than the sum of its proper divisors (1).

126365514135173 is an equidigital number, since it uses as much as digits as its factorization.

126365514135173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804000, while the sum is 53.

Adding to 126365514135173 its reverse (371531415563621), we get a palindrome (497896929698794).

The spelling of 126365514135173 in words is "one hundred twenty-six trillion, three hundred sixty-five billion, five hundred fourteen million, one hundred thirty-five thousand, one hundred seventy-three".