61015671474824 has 64 divisors (see below), whose sum is σ = 125070060579840. Its totient is φ = 27675479856960.

The previous prime is 61015671474811. The next prime is 61015671474833. The reversal of 61015671474824 is 42847417651016.

61015671474824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61015671474824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142820237 + ... + 143246819.

It is an arithmetic number, because the mean of its divisors is an integer number (1954219696560).

Almost surely, 2^{61015671474824} is an apocalyptic number.

It is an amenable number.

61015671474824 is an abundant number, since it is smaller than the sum of its proper divisors (64054389105016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61015671474824 is a wasteful number, since it uses less digits than its factorization.

61015671474824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430050 (or 430046 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 61015671474824 in words is "sixty-one trillion, fifteen billion, six hundred seventy-one million, four hundred seventy-four thousand, eight hundred twenty-four".