61015005105 has 8 divisors (see below), whose sum is σ = 97624008192. Its totient is φ = 32541336048.

The previous prime is 61015005049. The next prime is 61015005113. The reversal of 61015005105 is 50150051016.

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

It is not a de Polignac number, because 61015005105 - 2⁶ = 61015005041 is a prime.

It is a super-2 number, since 2×61015005105² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2033833489 + ... + 2033833518.

It is an arithmetic number, because the mean of its divisors is an integer number (12203001024).

Almost surely, 2^61015005105 is an apocalyptic number.

It is an amenable number.

61015005105 is a deficient number, since it is larger than the sum of its proper divisors (36609003087).

61015005105 is a wasteful number, since it uses less digits than its factorization.

61015005105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067667015.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 61015005105 in words is "sixty-one billion, fifteen million, five thousand, one hundred five".