126143815584 has 48 divisors (see below), whose sum is σ = 331644257280. Its totient is φ = 41982320640.

The previous prime is 126143815573. The next prime is 126143815597. The reversal of 126143815584 is 485518341621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×126143815584² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963424 + ... + 1086495.

It is an arithmetic number, because the mean of its divisors is an integer number (6909255360).

Almost surely, 2^126143815584 is an apocalyptic number.

It is an amenable number.

126143815584 is an abundant number, since it is smaller than the sum of its proper divisors (205500441696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126143815584 is a wasteful number, since it uses less digits than its factorization.

126143815584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050573 (or 2050565 counting only the distinct ones).

The product of its digits is 921600, while the sum is 48.

The spelling of 126143815584 in words is "one hundred twenty-six billion, one hundred forty-three million, eight hundred fifteen thousand, five hundred eighty-four".