126054757556 has 96 divisors (see below), whose sum is σ = 291185314560. Its totient is φ = 46351678464.

The previous prime is 126054757553. The next prime is 126054757571. The reversal of 126054757556 is 655757450621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 126054757498 and 126054757507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126054757553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194600 + ... + 538496.

It is an arithmetic number, because the mean of its divisors is an integer number (3033180360).

Almost surely, 2^126054757556 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 126054757556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145592657280).

126054757556 is an abundant number, since it is smaller than the sum of its proper divisors (165130557004).

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

126054757556 is a wasteful number, since it uses less digits than its factorization.

126054757556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343993 (or 343991 counting only the distinct ones).

The product of its (nonzero) digits is 8820000, while the sum is 53.

The spelling of 126054757556 in words is "one hundred twenty-six billion, fifty-four million, seven hundred fifty-seven thousand, five hundred fifty-six".