126283305163 has 4 divisors (see below), whose sum is σ = 128666009088. Its totient is φ = 123900601240.

The previous prime is 126283305131. The next prime is 126283305179. The reversal of 126283305163 is 361503382621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361503382621 = 61 ⋅5926284961.

It is a cyclic number.

It is not a de Polignac number, because 126283305163 - 2⁵ = 126283305131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126283303163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191351883 + ... + 1191351988.

It is an arithmetic number, because the mean of its divisors is an integer number (32166502272).

Almost surely, 2^126283305163 is an apocalyptic number.

126283305163 is a deficient number, since it is larger than the sum of its proper divisors (2382703925).

126283305163 is an equidigital number, since it uses as much as digits as its factorization.

126283305163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382703924.

The product of its (nonzero) digits is 155520, while the sum is 40.

Adding to 126283305163 its reverse (361503382621), we get a palindrome (487786687784).

The spelling of 126283305163 in words is "one hundred twenty-six billion, two hundred eighty-three million, three hundred five thousand, one hundred sixty-three".