126803511036 has 72 divisors (see below), whose sum is σ = 335107893120. Its totient is φ = 40352662944.

The previous prime is 126803511011. The next prime is 126803511041. The reversal of 126803511036 is 630115308621.

126803511036 is a `hidden beast` number, since 1 + 268 + 0 + 351 + 10 + 36 = 666.

It is a super-2 number, since 2×126803511036² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286635 + ... + 579453.

Almost surely, 2^126803511036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126803511036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167553946560).

126803511036 is an abundant number, since it is smaller than the sum of its proper divisors (208304382084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126803511036 is a wasteful number, since it uses less digits than its factorization.

126803511036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293375 (or 293370 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 126803511036 its reverse (630115308621), we get a palindrome (756918819657).

The spelling of 126803511036 in words is "one hundred twenty-six billion, eight hundred three million, five hundred eleven thousand, thirty-six".