2545412066461 has 8 divisors (see below), whose sum is σ = 2778547606848. Its totient is φ = 2312565600000.

The previous prime is 2545412066437. The next prime is 2545412066539. The reversal of 2545412066461 is 1646602145452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2545412066461 - 2⁹ = 2545412065949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545412063461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72250065 + ... + 72285286.

It is an arithmetic number, because the mean of its divisors is an integer number (347318450856).

Almost surely, 2^{2545412066461} is an apocalyptic number.

It is an amenable number.

2545412066461 is a deficient number, since it is larger than the sum of its proper divisors (233135540387).

2545412066461 is a wasteful number, since it uses less digits than its factorization.

2545412066461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144536963.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 2545412066461 in words is "two trillion, five hundred forty-five billion, four hundred twelve million, sixty-six thousand, four hundred sixty-one".