61288474852 has 48 divisors (see below), whose sum is σ = 118838845440. Its totient is φ = 27422445600.

The previous prime is 61288474837. The next prime is 61288474889. The reversal of 61288474852 is 25847488216.

It is a junction number, because it is equal to n+sod(n) for n = 61288474793 and 61288474802.

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 15 ways as a sum of consecutive naturals, for example, 4447549 + ... + 4461307.

It is an arithmetic number, because the mean of its divisors is an integer number (2475809280).

Almost surely, 2^61288474852 is an apocalyptic number.

It is an amenable number.

61288474852 is a deficient number, since it is larger than the sum of its proper divisors (57550370588).

61288474852 is a wasteful number, since it uses less digits than its factorization.

61288474852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15352 (or 15350 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 55.

The spelling of 61288474852 in words is "sixty-one billion, two hundred eighty-eight million, four hundred seventy-four thousand, eight hundred fifty-two".