126240056453564 has 24 divisors (see below), whose sum is σ = 232548053673600. Its totient is φ = 59797772011440.

The previous prime is 126240056453491. The next prime is 126240056453587. The reversal of 126240056453564 is 465354650042621.

It is a congruent number.

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, 32236697 + ... + 35940015.

It is an arithmetic number, because the mean of its divisors is an integer number (9689502236400).

Almost surely, 2^{126240056453564} is an apocalyptic number.

It is an amenable number.

126240056453564 is a deficient number, since it is larger than the sum of its proper divisors (106307997220036).

126240056453564 is a wasteful number, since it uses less digits than its factorization.

126240056453564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151873 (or 4151871 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 53.

The spelling of 126240056453564 in words is "one hundred twenty-six trillion, two hundred forty billion, fifty-six million, four hundred fifty-three thousand, five hundred sixty-four".