126456325645 has 32 divisors (see below), whose sum is σ = 170695123200. Its totient is φ = 89234264064.

The previous prime is 126456325621. The next prime is 126456325663. The reversal of 126456325645 is 546523654621.

It is a cyclic number.

It is not a de Polignac number, because 126456325645 - 2²³ = 126447937037 is a prime.

It is a super-3 number, since 3×126456325645³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1481901 + ... + 1564909.

It is an arithmetic number, because the mean of its divisors is an integer number (5334222600).

Almost surely, 2^126456325645 is an apocalyptic number.

It is an amenable number.

126456325645 is a deficient number, since it is larger than the sum of its proper divisors (44238797555).

126456325645 is a wasteful number, since it uses less digits than its factorization.

126456325645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84069.

The product of its digits is 5184000, while the sum is 49.

The spelling of 126456325645 in words is "one hundred twenty-six billion, four hundred fifty-six million, three hundred twenty-five thousand, six hundred forty-five".