61043561675 has 12 divisors (see below), whose sum is σ = 75700623600. Its totient is φ = 48830586720.

The previous prime is 61043561671. The next prime is 61043561729. The reversal of 61043561675 is 57616534016.

It is not a de Polignac number, because 61043561675 - 2² = 61043561671 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61043561671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203234 + ... + 404216.

It is an arithmetic number, because the mean of its divisors is an integer number (6308385300).

Almost surely, 2^61043561675 is an apocalyptic number.

61043561675 is a deficient number, since it is larger than the sum of its proper divisors (14657061925).

61043561675 is a wasteful number, since it uses less digits than its factorization.

61043561675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213142 (or 213137 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 61043561675 in words is "sixty-one billion, forty-three million, five hundred sixty-one thousand, six hundred seventy-five".