61333404545 has 16 divisors (see below), whose sum is σ = 84120879360. Its totient is φ = 42053943744.

The previous prime is 61333404529. The next prime is 61333404581. The reversal of 61333404545 is 54540433316.

61333404545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61333404545 - 2⁴ = 61333404529 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61333404499 and 61333404508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447191 + ... + 568019.

It is an arithmetic number, because the mean of its divisors is an integer number (5257554960).

Almost surely, 2^61333404545 is an apocalyptic number.

It is an amenable number.

61333404545 is a deficient number, since it is larger than the sum of its proper divisors (22787474815).

61333404545 is a wasteful number, since it uses less digits than its factorization.

61333404545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135344.

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 61333404545 in words is "sixty-one billion, three hundred thirty-three million, four hundred four thousand, five hundred forty-five".