126266508112258 has 4 divisors (see below), whose sum is σ = 189399762168390. Its totient is φ = 63133254056128.

The previous prime is 126266508112243. The next prime is 126266508112313. The reversal of 126266508112258 is 852211805662621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118237938870529 + 8028569241729 = 10873727^2 + 2833473^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126266508112199 and 126266508112208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31566627028063 + ... + 31566627028066.

Almost surely, 2^{126266508112258} is an apocalyptic number.

126266508112258 is a deficient number, since it is larger than the sum of its proper divisors (63133254056132).

126266508112258 is an equidigital number, since it uses as much as digits as its factorization.

126266508112258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63133254056131.

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 126266508112258 in words is "one hundred twenty-six trillion, two hundred sixty-six billion, five hundred eight million, one hundred twelve thousand, two hundred fifty-eight".