126111542364052 has 144 divisors (see below), whose sum is σ = 275753269330560. Its totient is φ = 49393025510400.

The previous prime is 126111542364047. The next prime is 126111542364103. The reversal of 126111542364052 is 250463245111621.

It is a super-2 number, since 2×126111542364052² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35174527 + ... + 38593657.

It is an arithmetic number, because the mean of its divisors is an integer number (1914953259240).

Almost surely, 2^{126111542364052} 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 126111542364052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137876634665280).

126111542364052 is an abundant number, since it is smaller than the sum of its proper divisors (149641726966508).

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

126111542364052 is a wasteful number, since it uses less digits than its factorization.

126111542364052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419310 (or 3419289 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

Adding to 126111542364052 its reverse (250463245111621), we get a palindrome (376574787475673).

The spelling of 126111542364052 in words is "one hundred twenty-six trillion, one hundred eleven billion, five hundred forty-two million, three hundred sixty-four thousand, fifty-two".