126641663504011 has 8 divisors (see below), whose sum is σ = 134091962479440. Its totient is φ = 119191452235008.

The previous prime is 126641663503973. The next prime is 126641663504017. The reversal of 126641663504011 is 110405366146621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126641663504011 is a prime.

It is a super-2 number, since 2×126641663504011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126641663504017) 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, 18942201 + ... + 24740458.

It is an arithmetic number, because the mean of its divisors is an integer number (16761495309930).

Almost surely, 2^{126641663504011} is an apocalyptic number.

126641663504011 is a deficient number, since it is larger than the sum of its proper divisors (7450298975429).

126641663504011 is a wasteful number, since it uses less digits than its factorization.

126641663504011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43853213.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 126641663504011 in words is "one hundred twenty-six trillion, six hundred forty-one billion, six hundred sixty-three million, five hundred four thousand, eleven".