61020506306 has 8 divisors (see below), whose sum is σ = 93659381904. Its totient is φ = 29800712340.

The previous prime is 61020506291. The next prime is 61020506341. The reversal of 61020506306 is 60360502016.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354770300 + ... + 354770471.

It is an arithmetic number, because the mean of its divisors is an integer number (11707422738).

Almost surely, 2^61020506306 is an apocalyptic number.

61020506306 is a deficient number, since it is larger than the sum of its proper divisors (32638875598).

61020506306 is a wasteful number, since it uses less digits than its factorization.

61020506306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709540816.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 61020506306 in words is "sixty-one billion, twenty million, five hundred six thousand, three hundred six".