61543504462611 has 8 divisors (see below), whose sum is σ = 83448819610560. Its totient is φ = 40333596144872.

The previous prime is 61543504462579. The next prime is 61543504462663. The reversal of 61543504462611 is 11626440534516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61543504462611 - 2⁵ = 61543504462579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61543504462411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173851707345 + ... + 173851707698.

It is an arithmetic number, because the mean of its divisors is an integer number (10431102451320).

Almost surely, 2^{61543504462611} is an apocalyptic number.

61543504462611 is a deficient number, since it is larger than the sum of its proper divisors (21905315147949).

61543504462611 is a wasteful number, since it uses less digits than its factorization.

61543504462611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347703415105.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 61543504462611 in words is "sixty-one trillion, five hundred forty-three billion, five hundred four million, four hundred sixty-two thousand, six hundred eleven".