506443400101126 has 4 divisors (see below), whose sum is σ = 759665100151692. Its totient is φ = 253221700050562.

The previous prime is 506443400101087. The next prime is 506443400101147. The reversal of 506443400101126 is 621101004344605.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126610850025280 + ... + 126610850025283.

It is an arithmetic number, because the mean of its divisors is an integer number (189916275037923).

Almost surely, 2^{506443400101126} is an apocalyptic number.

506443400101126 is a deficient number, since it is larger than the sum of its proper divisors (253221700050566).

506443400101126 is a wasteful number, since it uses less digits than its factorization.

506443400101126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253221700050565.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 506443400101126 in words is "five hundred six trillion, four hundred forty-three billion, four hundred million, one hundred one thousand, one hundred twenty-six".