72425553566463 has 36 divisors (see below), whose sum is σ = 108870524015760. Its totient is φ = 48178046767392.

The previous prime is 72425553566407. The next prime is 72425553566467. The reversal of 72425553566463 is 36466535552427.

72425553566463 is a `hidden beast` number, since 7 + 2 + 4 + 2 + 5 + 5 + 5 + 3 + 566 + 4 + 63 = 666.

It is not a de Polignac number, because 72425553566463 - 2⁹ = 72425553565951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72425553566463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72425553566467) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9079083 + ... + 15075836.

It is an arithmetic number, because the mean of its divisors is an integer number (3024181222660).

Almost surely, 2^{72425553566463} is an apocalyptic number.

72425553566463 is a deficient number, since it is larger than the sum of its proper divisors (36444970449297).

72425553566463 is an frugal number, since it uses more digits than its factorization.

72425553566463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24155400 (or 24155379 counting only the distinct ones).

The product of its digits is 544320000, while the sum is 63.

The spelling of 72425553566463 in words is "seventy-two trillion, four hundred twenty-five billion, five hundred fifty-three million, five hundred sixty-six thousand, four hundred sixty-three".