61015056712 has 16 divisors (see below), whose sum is σ = 116837343360. Its totient is φ = 29858431824.

The previous prime is 61015056709. The next prime is 61015056727. The reversal of 61015056712 is 21765051016.

It is a super-3 number, since 3×61015056712³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81136668 + ... + 81137419.

It is an arithmetic number, because the mean of its divisors is an integer number (7302333960).

Almost surely, 2^61015056712 is an apocalyptic number.

It is an amenable number.

61015056712 is a deficient number, since it is larger than the sum of its proper divisors (55822286648).

61015056712 is a wasteful number, since it uses less digits than its factorization.

61015056712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162274140 (or 162274136 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 61015056712 in words is "sixty-one billion, fifteen million, fifty-six thousand, seven hundred twelve".