126141644563 has 16 divisors (see below), whose sum is σ = 146576231424. Its totient is φ = 107282373760.

The previous prime is 126141644513. The next prime is 126141644581. The reversal of 126141644563 is 365446141621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126141644563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126141644513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1988395 + ... + 2050852.

It is an arithmetic number, because the mean of its divisors is an integer number (9161014464).

Almost surely, 2^126141644563 is an apocalyptic number.

126141644563 is a deficient number, since it is larger than the sum of its proper divisors (20434586861).

126141644563 is a wasteful number, since it uses less digits than its factorization.

126141644563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039442.

The product of its digits is 414720, while the sum is 43.

The spelling of 126141644563 in words is "one hundred twenty-six billion, one hundred forty-one million, six hundred forty-four thousand, five hundred sixty-three".