126616233011 has 4 divisors (see below), whose sum is σ = 128691909024. Its totient is φ = 124540557000.

The previous prime is 126616232947. The next prime is 126616233013. The reversal of 126616233011 is 110332616621.

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

It is a cyclic number.

It is not a de Polignac number, because 126616233011 - 2⁶ = 126616232947 is a prime.

It is a super-2 number, since 2×126616233011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126616233013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037837915 + ... + 1037838036.

It is an arithmetic number, because the mean of its divisors is an integer number (32172977256).

Almost surely, 2^126616233011 is an apocalyptic number.

126616233011 is a deficient number, since it is larger than the sum of its proper divisors (2075676013).

126616233011 is an equidigital number, since it uses as much as digits as its factorization.

126616233011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075676012.

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 126616233011 its reverse (110332616621), we get a palindrome (236948849632).

The spelling of 126616233011 in words is "one hundred twenty-six billion, six hundred sixteen million, two hundred thirty-three thousand, eleven".