126345603776 has 56 divisors (see below), whose sum is σ = 294277974816. Its totient is φ = 52684646400.

The previous prime is 126345603743. The next prime is 126345603779. The reversal of 126345603776 is 677306543621.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (126345603779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3794525 + ... + 3827676.

It is an arithmetic number, because the mean of its divisors is an integer number (5254963836).

Almost surely, 2^126345603776 is an apocalyptic number.

126345603776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126345603776 is an abundant number, since it is smaller than the sum of its proper divisors (167932371040).

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

126345603776 is an equidigital number, since it uses as much as digits as its factorization.

126345603776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7622257 (or 7622247 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 50.

The spelling of 126345603776 in words is "one hundred twenty-six billion, three hundred forty-five million, six hundred three thousand, seven hundred seventy-six".