61041553334309 has 4 divisors (see below), whose sum is σ = 61042040145216. Its totient is φ = 61041066523404.

The previous prime is 61041553334299. The next prime is 61041553334327. The reversal of 61041553334309 is 90343335514016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61041553334309 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 (61041553334339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243217319 + ... + 243468164.

It is an arithmetic number, because the mean of its divisors is an integer number (15260510036304).

Almost surely, 2^{61041553334309} is an apocalyptic number.

It is an amenable number.

61041553334309 is a deficient number, since it is larger than the sum of its proper divisors (486810907).

61041553334309 is a wasteful number, since it uses less digits than its factorization.

61041553334309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486810906.

The product of its (nonzero) digits is 1749600, while the sum is 47.

The spelling of 61041553334309 in words is "sixty-one trillion, forty-one billion, five hundred fifty-three million, three hundred thirty-four thousand, three hundred nine".