61043615252 has 24 divisors (see below), whose sum is σ = 108802104096. Its totient is φ = 29961985248.

The previous prime is 61043615251. The next prime is 61043615287. The reversal of 61043615252 is 25251634016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61043615251) by changing a digit.

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, 533438 + ... + 637685.

It is an arithmetic number, because the mean of its divisors is an integer number (4533421004).

Almost surely, 2^61043615252 is an apocalyptic number.

It is an amenable number.

61043615252 is a deficient number, since it is larger than the sum of its proper divisors (47758488844).

61043615252 is a wasteful number, since it uses less digits than its factorization.

61043615252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171367 (or 1171365 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 61043615252 in words is "sixty-one billion, forty-three million, six hundred fifteen thousand, two hundred fifty-two".