126040536111 has 48 divisors (see below), whose sum is σ = 209317050720. Its totient is φ = 67024742400.

The previous prime is 126040536109. The next prime is 126040536121. The reversal of 126040536111 is 111635040621.

It is a happy number.

It is not a de Polignac number, because 126040536111 - 2¹ = 126040536109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126040536121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60940 + ... + 505761.

It is an arithmetic number, because the mean of its divisors is an integer number (4360771890).

Almost surely, 2^126040536111 is an apocalyptic number.

126040536111 is a deficient number, since it is larger than the sum of its proper divisors (83276514609).

126040536111 is a wasteful number, since it uses less digits than its factorization.

126040536111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566824 (or 566817 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 126040536111 its reverse (111635040621), we get a palindrome (237675576732).

The spelling of 126040536111 in words is "one hundred twenty-six billion, forty million, five hundred thirty-six thousand, one hundred eleven".