126445505300550 has 72 divisors (see below), whose sum is σ = 351431300975040. Its totient is φ = 32556084120000.

The previous prime is 126445505300537. The next prime is 126445505300567. The reversal of 126445505300550 is 55003505544621.

126445505300550 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 45 + 5 + 0 + 53 + 0 + 0 + 550 = 666.

It is a super-2 number, since 2×126445505300550² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 126445505300496 and 126445505300505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4844642326 + ... + 4844668425.

It is an arithmetic number, because the mean of its divisors is an integer number (4880990291320).

Almost surely, 2^{126445505300550} is an apocalyptic number.

126445505300550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126445505300550 is an abundant number, since it is smaller than the sum of its proper divisors (224985795674490).

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

126445505300550 is a wasteful number, since it uses less digits than its factorization.

126445505300550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9689310798 (or 9689310790 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 126445505300550 in words is "one hundred twenty-six trillion, four hundred forty-five billion, five hundred five million, three hundred thousand, five hundred fifty".