126303163553 has 8 divisors (see below), whose sum is σ = 144413534208. Its totient is φ = 108209558304.

The previous prime is 126303163549. The next prime is 126303163561. The reversal of 126303163553 is 355361303621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126303163553 - 2² = 126303163549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126303163583) 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, 4175201 + ... + 4205342.

It is an arithmetic number, because the mean of its divisors is an integer number (18051691776).

Almost surely, 2^126303163553 is an apocalyptic number.

It is an amenable number.

126303163553 is a deficient number, since it is larger than the sum of its proper divisors (18110370655).

126303163553 is an equidigital number, since it uses as much as digits as its factorization.

126303163553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8382703.

The product of its (nonzero) digits is 145800, while the sum is 38.

The spelling of 126303163553 in words is "one hundred twenty-six billion, three hundred three million, one hundred sixty-three thousand, five hundred fifty-three".