126758519211 has 16 divisors (see below), whose sum is σ = 179142240384. Its totient is φ = 79450740864.

The previous prime is 126758519207. The next prime is 126758519213. The reversal of 126758519211 is 112915857621.

It is not a de Polignac number, because 126758519211 - 2² = 126758519207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126758519213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1263985 + ... + 1360578.

It is an arithmetic number, because the mean of its divisors is an integer number (11196390024).

Almost surely, 2^126758519211 is an apocalyptic number.

126758519211 is a deficient number, since it is larger than the sum of its proper divisors (52383721173).

126758519211 is a wasteful number, since it uses less digits than its factorization.

126758519211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625530.

The product of its digits is 302400, while the sum is 48.

The spelling of 126758519211 in words is "one hundred twenty-six billion, seven hundred fifty-eight million, five hundred nineteen thousand, two hundred eleven".