61005046911806 has 4 divisors (see below), whose sum is σ = 91507570367712. Its totient is φ = 30502523455902.

The previous prime is 61005046911791. The next prime is 61005046911833. The reversal of 61005046911806 is 60811964050016.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15251261727950 + ... + 15251261727953.

It is an arithmetic number, because the mean of its divisors is an integer number (22876892591928).

Almost surely, 2^{61005046911806} is an apocalyptic number.

61005046911806 is a deficient number, since it is larger than the sum of its proper divisors (30502523455906).

61005046911806 is a wasteful number, since it uses less digits than its factorization.

61005046911806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30502523455905.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 61005046911806 in words is "sixty-one trillion, five billion, forty-six million, nine hundred eleven thousand, eight hundred six".