45555213872661 has 8 divisors (see below), whose sum is σ = 60741126462720. Its totient is φ = 30369721932192.

The previous prime is 45555213872653. The next prime is 45555213872741. The reversal of 45555213872661 is 16627831255554.

It is a happy number.

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

It is not a de Polignac number, because 45555213872661 - 2³ = 45555213872653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45555213872595 and 45555213872604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45555213872561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104909616 + ... + 105342953.

It is an arithmetic number, because the mean of its divisors is an integer number (7592640807840).

Almost surely, 2^{45555213872661} is an apocalyptic number.

It is an amenable number.

45555213872661 is a deficient number, since it is larger than the sum of its proper divisors (15185912590059).

45555213872661 is a wasteful number, since it uses less digits than its factorization.

45555213872661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210324795.

The product of its digits is 60480000, while the sum is 60.

The spelling of 45555213872661 in words is "forty-five trillion, five hundred fifty-five billion, two hundred thirteen million, eight hundred seventy-two thousand, six hundred sixty-one".