126164664511 has 8 divisors (see below), whose sum is σ = 127557964800. Its totient is φ = 124778957688.

The previous prime is 126164664503. The next prime is 126164664533. The reversal of 126164664511 is 115466461621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126164664511 - 2³ = 126164664503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126164664011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864951 + ... + 1931416.

It is an arithmetic number, because the mean of its divisors is an integer number (15944745600).

Almost surely, 2^126164664511 is an apocalyptic number.

126164664511 is a deficient number, since it is larger than the sum of its proper divisors (1393300289).

126164664511 is a wasteful number, since it uses less digits than its factorization.

126164664511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796733.

The product of its digits is 207360, while the sum is 43.

The spelling of 126164664511 in words is "one hundred twenty-six billion, one hundred sixty-four million, six hundred sixty-four thousand, five hundred eleven".