126011441505 has 16 divisors (see below), whose sum is σ = 201623117760. Its totient is φ = 67204498368.

The previous prime is 126011441449. The next prime is 126011441593. The reversal of 126011441505 is 505144110621.

It is not a de Polignac number, because 126011441505 - 2⁶ = 126011441441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824479 + ... + 965291.

It is an arithmetic number, because the mean of its divisors is an integer number (12601444860).

Almost surely, 2^126011441505 is an apocalyptic number.

126011441505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126011441505 is a deficient number, since it is larger than the sum of its proper divisors (75611676255).

126011441505 is a wasteful number, since it uses less digits than its factorization.

126011441505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200480.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 126011441505 in words is "one hundred twenty-six billion, eleven million, four hundred forty-one thousand, five hundred five".