61288001256 has 32 divisors (see below), whose sum is σ = 153877613760. Its totient is φ = 20341652352.

The previous prime is 61288001251. The next prime is 61288001287. The reversal of 61288001256 is 65210088216.

It is not an unprimeable number, because it can be changed into a prime (61288001251) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5474380 + ... + 5485563.

It is an arithmetic number, because the mean of its divisors is an integer number (4808675430).

Almost surely, 2^61288001256 is an apocalyptic number.

It is an amenable number.

61288001256 is an abundant number, since it is smaller than the sum of its proper divisors (92589612504).

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

61288001256 is a wasteful number, since it uses less digits than its factorization.

61288001256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10960185 (or 10960181 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 61288001256 in words is "sixty-one billion, two hundred eighty-eight million, one thousand, two hundred fifty-six".